PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN961-8TWasher,flat

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5310-00-264-1389 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-264-1389 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-264-1389. Primary manufacturer part number: AN961-8T.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: SAE1/2 HARD ASSN STD 1ST MATERIAL RESPONSE AND QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL
  • Cross-Sectional Shape Style: RECTANGULAR
  • Overall Diameter: 0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
  • Surface Treatment Document and Classification: MIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Surface Treatment: TIN OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy 270 or Copper Alloy 268 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-264-1389, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-264-1389
Primary Part NumberAN961-8T
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Peripheral Shape StyleROUND
Material Document and ClassificationSAE1/2 HARD ASSN STD 1ST MATERIAL RESPONSE AND QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL
Cross-Sectional Shape StyleRECTANGULAR
Overall Diameter0.370 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationMIL-T-10727,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentTIN OVERALL
Hole Diameter0.164 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5975-00-081-94015123 INTERCHANGEABLE
Box Connector,electrical
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4730-00-277-713320040 INTERCHANGEABLE
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5210-00-357-5951448 INTERCHANGEABLE
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Milton Industries, Inc
7320-00-390-149210524 INTERCHANGEABLE
Cam Shaft Assembly,mixing Machin
Middleby Marshall Inc Conveyor Ovens and Mixers Div
1650-00-629-77335123 INTERCHANGEABLE
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Hydro-Aire Aerospace Corp
6660-00-772-988912836 INTERCHANGEABLE
Transmitter,wind Direction and S
Belfort Instrument Company
3120-00-842-37885123 INTERCHANGEABLE
Bearing,sleeve
Goodrich Aerospace Canada Ltd
5360-00-918-544014088-31-09-00 INTERCHANGEABLE
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Snap-Tite Inc Dba Snap Tite Solenoid Valve Div
6250-00-951-1295 INTERCHANGEABLE
Lampholder
3830-01-094-19335123 INTERCHANGEABLE
Bow-Arm
Chantilly Development Corporation Dba Acme Specialty Mfg Co Div Acme Specialty Mfg.
Cross-Reference Index
Part NumberManufacturer
8193544 Us Army Aviation and Missile Command (USA)
4197412-001 Raytheon Company Dba Raytheon (USA)
AN961-8T PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
310-0751-030 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
512-3 Keysight Technologies, Inc. (USA)
512-3 Hewlett-Packard Company Dba HP (USA)
401-6357235-35 Naval Sea Systems Command (USA)
4197412-16 Raytheon Company Div Rmd Strategic (USA)
812304-00 Defense Reduction Agency (USA)
AN961-8T Aeronautical Standards Group Dept of Navy and Air Force (USA)
4197412-001 Raytheon Company Div Rmd Strategic (USA)
Related Parts
5975-00-081-9401INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5123
4730-00-277-7133INTERCHANGEABLE
CLAMP,HOSE
20040
5210-00-357-5951INTERCHANGEABLE
GAGE,DEPTH,TIRE TREAD
448
7320-00-390-1492INTERCHANGEABLE
CAM SHAFT ASSEMBLY,MIXING MACHIN
10524
1650-00-629-7733INTERCHANGEABLE
PARTS KIT,VALVE OVERHAUL
5123
6660-00-772-9889INTERCHANGEABLE
TRANSMITTER,WIND DIRECTION AND S
12836
3120-00-842-3788INTERCHANGEABLE
BEARING,SLEEVE
5123
5360-00-918-5440INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
14088-31-09-00
6250-00-951-1295INTERCHANGEABLE
LAMPHOLDER
3830-01-094-1933INTERCHANGEABLE
BOW-ARM
5123
6145-01-265-9067INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5123C
3439-01-400-1222INTERCHANGEABLE
DISPENSING NEEDLES,SOLDER
1125-0039-P5

Frequently Asked Questions

What is NSN 5310-00-264-1389?

NSN 5310-00-264-1389 is a Washer,flat, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-264-1389?

NSN 5310-00-264-1389 has 11 cross-referenced part numbers: 8193544 (Us Army Aviation and Missile Command), 4197412-001 (Raytheon Company Dba Raytheon), AN961-8T (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 310-0751-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 512-3 (Keysight Technologies, Inc.) and 6 more.

What NSN replaces 5310-00-264-1389?

There are 12 known substitutes for 5310-00-264-1389: 5975-00-081-9401, 4730-00-277-7133, 5210-00-357-5951 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AN961-8T?

Key specifications for AN961-8T: Peripheral Shape Style: ROUND; Material Document and Classification: SAE1/2 HARD ASSN STD 1ST MATERIAL RESPONSE AND QQ-B-626 1/2 HARD FED SPEC 2ND MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 270 OR COPPER ALLOY 268 OVERALL; End Item Identification: MULTIPLE LAUNCH ROCKET SYSTEM (MLRS). 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-264-1389 still in active supply?

NSN 5310-00-264-1389 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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