PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0770-8Washer,flat

Alliant Techsystems Operations Llc Div Defense Electronic Systems · NSN 5310-00-880-5978 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-880-5978 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-880-5978. Primary manufacturer part number: 0770-8.
Features
  • Washer,flat — FSC 5310
  • 50 verified cross-references
  • Primary manufacturer: Alliant Techsystems Operations Llc Div Defense Electronic Systems
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-880-5978, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alliant Techsystems Operations Llc Div Defense Electronic Systems. This item has 50 commercial cross-references from 39 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersJednolity Indeks Materialowy - Uniform Material Index (CAGE 9009H); Raytheon Company (CAGE 54X10); Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (CAGE 90536); Br Communications (inc) (CAGE 33783); Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (CAGE 51563)
Technical Specifications
ParameterValue
NSN5310-00-880-5978
Primary Part Number0770-8
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAlliant Techsystems Operations Llc Div Defense Electronic Systems
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5310-00-054-868145338100020 INTERCHANGEABLE
Washer,flat
Elbitamerica, Inc.
6810-00-174-6585 INTERCHANGEABLE
Sodium Hydroxide
5310-00-184-9095113771PC20 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
7310-00-208-0756770-8 INTERCHANGEABLE
Bowl,reflector
Stanco Metal Products Inc
5310-00-209-037512Z3035-429 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4520-00-212-5690770-8 INTERCHANGEABLE
Heating Element,electrical,immer
Hotstart Sales, Llc
6810-00-234-8373 INTERCHANGEABLE
Sodium Hydroxide
7310-00-260-7774770-8 INTERCHANGEABLE
Bowl,reflector
Chromalox Inc Dba Chromalox Precision Heat and Control, Inc
4730-00-389-8243475896 INTERCHANGEABLE
Connector,multiple,fluid Pressur
General Motors Llc Dba General Motors Llc
6130-00-643-4602BR1140 INTERCHANGEABLE
Rectifier,metallic
Eltek Energy Llc
Cross-Reference Index
Part NumberManufacturer
5310PL1369955 Jednolity Indeks Materialowy - Uniform Material Index (POL)
236-1149P11 Raytheon Company (USA)
4912548-02 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
0218-0807 Br Communications (inc) (USA)
245-4510949-49 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
P130005207 Zf Industrieantriebe Witten Gmbh (DEU)
5160008-00 Zf Industrieantriebe Witten Gmbh (DEU)
0770-8 Honeywell International Inc. Dba Honeywell International (USA)
770-8 Northrop Grumman Systems Corporation (USA)
5310PL1872861 Jednolity Indeks Materialowy - Uniform Material Index (POL)
946008-8070 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
FFW92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
310-0779-070 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MS15795-307 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AAME39-18R02 Atelier Industriel De L'aeronautique De Cuers Pierrefeu (siae/aia Cp) (FRA)
0770-8 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
447-601-108 Zf Industrieantriebe Witten Gmbh (DEU)
MS15795-807 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
36039-3412 Honeywell International Inc Dba Honeywell (USA)
0770-8 PRIMARY Alliant Techsystems Operations Llc Div Defense Electronic Systems (USA)
Related Parts
5310-00-054-8681INTERCHANGEABLE
WASHER,FLAT
45338100020
6810-00-174-6585INTERCHANGEABLE
SODIUM HYDROXIDE
5310-00-184-9095INTERCHANGEABLE
WASHER,FLAT
113771PC20
7310-00-208-0756INTERCHANGEABLE
BOWL,REFLECTOR
770-8
5310-00-209-0375INTERCHANGEABLE
WASHER,FLAT
12Z3035-429
4520-00-212-5690INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
770-8
6810-00-234-8373INTERCHANGEABLE
SODIUM HYDROXIDE
7310-00-260-7774INTERCHANGEABLE
BOWL,REFLECTOR
770-8
4730-00-389-8243INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
475896
6130-00-643-4602INTERCHANGEABLE
RECTIFIER,METALLIC
BR1140
4320-00-718-9396INTERCHANGEABLE
DIAPHRAGM,PUMP
7708
5310-00-722-5998INTERCHANGEABLE
WASHER,FLAT
236-1070P3

Frequently Asked Questions

What is NSN 5310-00-880-5978?

NSN 5310-00-880-5978 is a Washer,flat, manufactured by Alliant Techsystems Operations Llc Div Defense Electronic Systems, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-880-5978?

NSN 5310-00-880-5978 has 50 cross-referenced part numbers: 5310PL1369955 (Jednolity Indeks Materialowy - Uniform Material Index), 236-1149P11 (Raytheon Company), 4912548-02 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 0218-0807 (Br Communications (inc)), 245-4510949-49 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace) and 45 more.

What NSN replaces 5310-00-880-5978?

There are 12 known substitutes for 5310-00-880-5978: 5310-00-054-8681, 6810-00-174-6585, 5310-00-184-9095 and 9 more. Verify interchangeability with system specifications before substitution.

Is NSN 5310-00-880-5978 still in active supply?

NSN 5310-00-880-5978 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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