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NUT,SELF-LOCKING,EXTENDED WASHER

5310-00-472-8820NIIN 004728820InternationalEA · activeDEMIL ASOS SMSCatalog $20
FSC5310Nuts and Washers
Suppliers
10
DIBBS awards
15
Total value
$209,940
Last award
May 5, 2026

Price to win

From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.

Average unit cost

$18.09

Weighted average

$17.01

Weighted by quantity

Observed range

$14.30–$25.00

Coverage

15 awards

Oct 7, 1998 – May 5, 2026

Average: $18.09 · Weighted avg: $17.01 · Range: $14.30–$25.00 · Based on 15 awards, Oct 7, 1998–May 5, 2026.

Unit cost by award date · 15 priced lines

Oct 7, 1998May 5, 2026

DIBBS award history

Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.

15 distinct award lines

DateManufacturerQty × unitTotalContract
May 5, 2026170H9XXL TRANSPORTATION L.L.C.POSEN, ILSAM320 × $17.00$5,440SPE4A626V094W
May 5, 20259WRU0IMMOBILAIRE INC.CHICAGO, ILSAM1,174 × $14.30$16,788SPE4A625V217M
Mar 11, 201655482MOUNT LOK PRODUCTS INCNORTH MYRTLE BEACH, SCSAM843 × $14.59$12,299SPE5E716V2285
Feb 3, 20167BA83OTTOMAN USA, INCSUGAR LAND, TXSAM609 × $16.42$10,000SPE5E716M1531
Sep 13, 20131V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM332 × $17.21$5,714SPM5AZ09D00640136
Aug 12, 20131V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM623 × $17.21$10,722SPM5AZ09D00640134
Jul 3, 20131V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM1,632 × $17.21$28,087SPM5AZ09D00640132
Jun 5, 20131V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM3,274 × $17.21$56,346SPM5AZ09D00640131
Nov 28, 20121V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM2,267 × $17.39$39,423SPM5AZ09D00640125
Jun 7, 20101V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM55 × $18.39$1,011SPM5AZ09D00640044
Jun 7, 20101V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM210 × $18.39$3,862SPM5AZ09D00640045
Jan 6, 20080KRT5TAB HARDWARE, INC.LONG BEACH, CASAM591 × $18.00$10,638SPM5A708V0231
Oct 5, 200686090EATON CORPORATIONIRVINE, CASAM100 × $21.50$2,150SPM50005D54150002
Aug 21, 200686090EATON CORPORATIONIRVINE, CASAM97 × $21.50$2,086SPM50005D54150001
Oct 7, 19981V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM215 × $25.00$5,375SP054098MY695

Manufacturers who have won this NSN

Distinct CAGEs with a confirmed DIBBS award line for this part — each opens the manufacturer page.

0KRT5TAB HARDWARE, INC.LONG BEACH, CASAM
170H9XXL TRANSPORTATION L.L.C.POSEN, ILSAM
1V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM
55482MOUNT LOK PRODUCTS INCNORTH MYRTLE BEACH, SCSAM
7BA83OTTOMAN USA, INCSUGAR LAND, TXSAM
86090EATON CORPORATIONIRVINE, CASAM

Also MCRL-listed · PN 21349

9WRU0IMMOBILAIRE INC.CHICAGO, ILSAM

Approved manufacturers

Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.

56232LOCKHEED MARTIN CORPORATIONUNIONDALE, NYSAM

PN 561692-6

56878SPS TECHNOLOGIES, LLCJENKINTOWN, PASAM

PN 70Z1835-048

72962HARVARD INDUSTRIES INCLEBANON, NJSAM

PN 70Z1835-048

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALOVERALL STEEL COMP 303
NOMINAL THREAD SIZEINCHES 0.250
OVERALL HEIGHTINCHES MINIMUM 0.314 AND INCHES MAXIMUM 0.329
SPECIAL FEATURESBEARING SURFACE SHALL BE SQUARE TO P.D. OF THREAD TO WITHIN 0.001 T.I.R.
SURFACE TREATMENTOVERALL SILVER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONOVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2410
TEMP RATINGFAHRENHEIT NOMINAL 800.0
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
WASHER OUTSIDE DIAMETERINCHES MAXIMUM 0.443
WASHER THICKNESSINCHES MINIMUM 0.060 AND INCHES MAXIMUM 0.080
WIDTH ACROSS FLATSINCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376

Open buys

SPE4A626T28TR

DIBBS · quotes by Sep 18, 2026 · SDVOSB