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NUT,SELF-LOCKING,BARREL

5310-00-900-4381NIIN 009004381InternationalEA · activeDEMIL ASOS SMSCatalog $42
FSC5310Nuts and Washers
Suppliers
6
DIBBS awards
13
Total value
$59,530
Last award
Jun 3, 2025

Price to win

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

Average unit cost

$15.88

Weighted average

$15.34

Weighted by quantity

Observed range

$8.78–$33.69

Coverage

13 awards

Oct 29, 1998 – Jun 3, 2025

Average: $15.88 · Weighted avg: $15.34 · Range: $8.78–$33.69 · Based on 13 awards, Oct 29, 1998–Jun 3, 2025.

Unit cost by award date · 13 priced lines

Oct 29, 1998Jun 3, 2025

DIBBS award history

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

13 distinct award lines

DateManufacturerQty × unitTotalContract
Jun 3, 20251HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM400 × $33.69$13,476SPE4A525FAQDQ
Apr 22, 20251HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM221 × $33.69$7,445SPE4A525FAADW
Mar 31, 20254A766AERO HARDWARE & PARTS CO INCARMONK, NYSAM53 × $15.00$795SPEWA625P0129
Oct 23, 20241HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM87 × $33.69$2,931SPE4A625FA2QU
Mar 26, 20181V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM283 × $13.65$3,863SPE5E818P1890
Dec 2, 200751792APOLLO AEROSPACECAROL STREAM, ILSAM1,768 × $12.01$21,234SPM5A908MQ024
May 30, 200751792APOLLO AEROSPACECAROL STREAM, ILSAM190 × $8.78$1,668SPM5A907V0796
May 7, 200751792APOLLO AEROSPACECAROL STREAM, ILSAM32 × $8.80$282SPM5A107MQ331
Apr 12, 200751792APOLLO AEROSPACECAROL STREAM, ILSAM294 × $8.80$2,587SPM5AA07MQ054
Sep 12, 200651792APOLLO AEROSPACECAROL STREAM, ILSAM88 × $8.91$784SPM50002D00010118
Sep 11, 20061RDZ1BE AEROSPACE CONSUMABLES MANAGEMENTTEMPE, AZSAM11 × $10.45$115SPM5AX06V0065
Aug 11, 200651792APOLLO AEROSPACECAROL STREAM, ILSAM174 × $8.91$1,550SPM50002D00010078
Oct 29, 19981V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM280 × $10.00$2,800SP054099MQ520

Manufacturers who have won this NSN

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

1HEN9NOBLE SUPPLY & LOGISTICS, LLCBOSTON, MASAM
1RDZ1BE AEROSPACE CONSUMABLES MANAGEMENTTEMPE, AZSAM
1V757WESCO AIRCRAFT HARDWARE CORP.FORT WORTH, TXSAM
4A766AERO HARDWARE & PARTS CO INCARMONK, NYSAM
51792APOLLO AEROSPACECAROL STREAM, ILSAM

Approved manufacturers

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

80205NATIONAL AEROSPACE STANDARDSARLINGTON, VASAM

PN NAS577-4F, NAS577B4F

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
BARREL HEIGHTINCHES MINIMUM 0.310 AND INCHES MAXIMUM 0.320
FEATURES PROVIDEDFLOATING NUT
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
MATERIALOVERALL STEEL
NOMINAL THREAD SIZEINCHES 0.250
NUT DIAMETERINCHES MINIMUM 0.525 AND INCHES MAXIMUM 0.528
NUT HEIGHTINCHES MAXIMUM 0.406
NUT LENGTHINCHES NOMINAL 0.625
SURFACE TREATMENTOVERALL CADMIUM
TEMP RATINGFAHRENHEIT NOMINAL 500.0
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)

Open buys

SPE4A626T36GN

DIBBS · quotes by Oct 2, 2026 · UNRESTRICTED