PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C396-4BWasher,special

Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company · NSN 5310-00-911-0959 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-911-0959 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-911-0959. Primary manufacturer part number: C396-4B.
Features
  • Washer,special — FSC 5310
  • 4 verified cross-references
  • Primary manufacturer: Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,special, cataloged under National Stock Number 5310-00-911-0959, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company. This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,special
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersSps Technologies, Llc Dba PB Fasteners (CAGE 56878); Howmet Global Fastening Systems Inc (CAGE 15653); Harvard Industries Inc (CAGE 72962); Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (CAGE 81755)
Technical Specifications
ParameterValue
NSN5310-00-911-0959
Primary Part NumberC396-4B
Item NameWasher,special
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Lockheed Martin Aeronautics Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5998-00-327-673676-1104 INTERCHANGEABLE
Circuit Card Assembly
Photo-Sonics, Inc. Dba Photo-Sonics Inc Div Photo-Sonics
5315-00-664-1943761104 INTERCHANGEABLE
Pin,shoulder,headless
Lockheed Martin Corp
4320-01-111-3690KC65W010-118 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Eaton Aerospace, Llc Dba Jackson South
4820-01-524-67300864939 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Watts Regulator Company
Cross-Reference Index
Part NumberManufacturer
64127W4 Sps Technologies, Llc Dba PB Fasteners (USA)
K28-4 Howmet Global Fastening Systems Inc (USA)
7611-04 Harvard Industries Inc (USA)
C396-4B PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
Related Parts
5998-00-327-6736INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
76-1104
5315-00-664-1943INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
761104
4320-01-111-3690INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
KC65W010-118
4820-01-524-6730INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
0864939

Frequently Asked Questions

What is NSN 5310-00-911-0959?

NSN 5310-00-911-0959 is a Washer,special, manufactured by Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-911-0959?

NSN 5310-00-911-0959 has 4 cross-referenced part numbers: 64127W4 (Sps Technologies, Llc Dba PB Fasteners), K28-4 (Howmet Global Fastening Systems Inc), 7611-04 (Harvard Industries Inc), C396-4B (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).

What NSN replaces 5310-00-911-0959?

There are 4 known substitutes for 5310-00-911-0959: 5998-00-327-6736, 5315-00-664-1943, 4320-01-111-3690 and 1 more. Verify interchangeability with system specifications before substitution.

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