NSN 5310-00-298-4249 · NIIN 002984249 · Part number 89T1120-1
Northrop Grumman Systems Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 26512
Government record, cited
NSN 5310-00-298-4249 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-298-4249. Manufacturer of record part number: 89T1120-1.
Also searched as5310-00-298-4249 ·
5310002984249 ·
NIIN 002984249 ·
00-298-4249 ·
FSC 5310 Nuts and Washers · CAGE 26512 · 89T1120-1 · 8T1120-1
Overall Diameter: 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
Heat Treatment: AS FABRICATED
Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Hole Width Across Flats: 0.155 INCHES MAXIMUM IN
Identification
NSN: 5310-00-298-4249
NIIN: 002984249
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 89T1120-1
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-298-4249, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 10 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.
Technical Specifications
Parameter
Value
NSN
5310-00-298-4249
Primary Part Number
89T1120-1
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Overall Diameter
0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
Heat Treatment
AS FABRICATED
Material Document and Classification
MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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 5310-00-298-4249?
NSN 5310-00-298-4249 is a Washer,flat, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-298-4249?
NSN 5310-00-298-4249 has 2 manufacturer part numbers on file: 8T1120-1 (Northrop Grumman Systems Corporation), 89T1120-1 (Northrop Grumman Systems Corporation).
What are the specifications of 89T1120-1?
Key specifications for 89T1120-1: Overall Diameter: 0.328 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN; Heat Treatment: AS FABRICATED; Material Document and Classification: MIL-S-6721 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-298-4249 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.