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NUT,SELF-LOCKING,EXTENDED WASHER

5310-01-220-3481NIIN 012203481USAEA · activeDEMIL ASOS SMSCatalog $44
FSC5310Nuts and Washers
Suppliers
7
DIBBS awards
16
Total value
$16,558
Last award
Oct 17, 2024

Price to win

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

Average unit cost

$41.23

Weighted average

$38.96

Weighted by quantity

Observed range

$27.36–$78.49

Coverage

16 awards

Apr 30, 1991 – Oct 17, 2024

Average: $41.23 · Weighted avg: $38.96 · Range: $27.36–$78.49 · Based on 16 awards, Apr 30, 1991–Oct 17, 2024.

Unit cost by award date · 16 priced lines

Apr 30, 1991Oct 17, 2024

DIBBS award history

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

16 distinct award lines

DateManufacturerQty × unitTotalContract
Oct 17, 202473030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM15 × $39.98$600SPE4A525F0401
Aug 29, 202486BR3VERTICAL SOLUTIONS INCBURNSVILLE, MNSAM30 × $27.75$833SPE4A524P9226
Nov 20, 202373030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM15 × $39.38$591SPE4A524F2573
Jun 30, 202373030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM15 × $39.37$591SPE4A523F016N
Jun 28, 20226BW96AERO DEFENSE LOGISTICS LLCLONGWOOD, FLSAM15 × $28.75$431SPE4A622V444C
Oct 20, 20214ZFJ4AMERICAN DEFENSE GROUP LLCFORT LAUDERDALE, FLSAM15 × $29.16$437SPE4A522P0767
Oct 31, 201962FQ4SULEYMAN S. BAYRAKTARFOUNTAIN VALLEY, CASAM6 × $34.00$204SPE4A520P0959
Aug 19, 201873030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM19 × $35.61$677SPE4A518F18L4
Apr 24, 20187WPS6DEFENSE PROCUREMENT GROUP, INC.PASADENA, CASAM7 × $58.50$410SPE4A518V2244
Jan 20, 201773030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM54 × $35.29$1,906SPRPA113G001XXGL6
Oct 2, 201473030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM39 × $29.54$1,152SPRPA113G001XZ19N
Jun 27, 201273030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM50 × $27.36$1,368N0038308G001JXK3P
Jan 25, 2012344K9AFM HARDWARE, INC.ORRVILLE, OHSAM6 × $78.49$471SPM4A612MDP87
Aug 15, 201173030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM17 × $29.90$508N0038308G001JWU5A
May 14, 2010344K9AFM HARDWARE, INC.ORRVILLE, OHSAM12 × $76.95$923SPM4A510M9127

Manufacturers who have won this NSN

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

344K9AFM HARDWARE, INC.ORRVILLE, OHSAM
4ZFJ4AMERICAN DEFENSE GROUP LLCFORT LAUDERDALE, FLSAM
62FQ4SULEYMAN S. BAYRAKTARFOUNTAIN VALLEY, CASAM
6BW96AERO DEFENSE LOGISTICS LLCLONGWOOD, FLSAM
73030HAMILTON SUNDSTRAND CORPORATIONWINDSOR LOCKS, CTSAM

Also MCRL-listed · PN 772434-2

7WPS6DEFENSE PROCUREMENT GROUP, INC.PASADENA, CASAM
86BR3VERTICAL SOLUTIONS INCBURNSVILLE, MNSAM

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
BEARING SURFACE FINISHMICROINCHES 63.0
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
LUBRICATIONDRY FILM LUBRICANT
MATERIALOVERALL IRON ALLOY 660
MATERIAL DOCUMENT AND CLASSIFICATIONOVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737
NOMINAL THREAD SIZEINCHES 0.375
OVERALL HEIGHTINCHES MINIMUM 0.265
PROPRIETARY CHARACTERISTICSPACS
TEMP RATINGFAHRENHEIT MAXIMUM 450.0
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH24
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
WASHER OUTSIDE DIAMETERINCHES MAXIMUM 0.620
WASHER THICKNESSINCHES MINIMUM 0.028
WIDTH ACROSS FLATSINCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.440

Open buys

SPE4A526T454P

DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED