NSN 5310-01-072-8956 · NIIN 010728956 · Part number 128787
Lockheed Martin Corp Electronics and Missiles Div · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 09205
Government record, cited
NSN 5310-01-072-8956 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-072-8956. Manufacturer of record part number: 128787.
Also searched as5310-01-072-8956 ·
5310010728956 ·
NIIN 010728956 ·
01-072-8956 ·
FSC 5310 Nuts and Washers · CAGE 09205 · 128787
Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Series: UNEF
Thread Direction: RIGHT-HAND
Nominal Thread Size: 0.250 INCHES IN
Nut Height: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE OVERALL
Nut Style: HEXAGON
Identification
NSN: 5310-01-072-8956
NIIN: 010728956
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 128787
Manufacturer: Lockheed Martin Corp Electronics and Missiles Div
General Description
The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-072-8956, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-072-8956?
NSN 5310-01-072-8956 is a Nut,plain,hexagon, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-072-8956?
NSN 5310-01-072-8956 has 2 manufacturer part numbers on file: 128787 (Lockheed Martin Corp Electronics and Missiles Div), 128787 (Millipart, Inc).
What are the specifications of 128787?
Key specifications for 128787: Width Across Flats: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Series: UNEF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN. 11 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-072-8956 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.