NSN 5310-00-498-2971 · NIIN 004982971 · Part number H8121
Richards Industries Valve Group Jordan Valve Div · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 21476
Government record, cited
NSN 5310-00-498-2971 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-498-2971. Manufacturer of record part number: H8121.
Also searched as5310-00-498-2971 ·
5310004982971 ·
NIIN 004982971 ·
00-498-2971 ·
FSC 5310 Nuts and Washers · CAGE 21476 · H8121
Material Document and Classification: JDC-281-G FSCM 22167 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 1.370 INCHES NOMINAL IN
Material Thickness: 0.062 INCHES NOMINAL IN
Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Hole Diameter: 0.770 INCHES NOMINAL IN
1 manufacturer part number on file
Identification
NSN: 5310-00-498-2971
NIIN: 004982971
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: H8121
Manufacturer: Richards Industries Valve Group Jordan Valve Div
General Description
The Washer,split, cataloged under National Stock Number 5310-00-498-2971, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Richards Industries Valve Group Jordan Valve Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-498-2971
Primary Part Number
H8121
Item Name
Washer,split
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Richards Industries Valve Group Jordan Valve Div
Status
ACTIVE
Style Designator
SPLIT
Material Document and Classification
JDC-281-G FSCM 22167 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Richards Industries Valve Group Jordan Valve Div (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-00-498-2971?
NSN 5310-00-498-2971 is a Washer,split, manufactured by Richards Industries Valve Group Jordan Valve Div, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-498-2971?
NSN 5310-00-498-2971 has 1 manufacturer part number on file: H8121 (Richards Industries Valve Group Jordan Valve Div).
What are the specifications of H8121?
Key specifications for H8121: Style Designator: SPLIT; Material Document and Classification: JDC-281-G FSCM 22167 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.370 INCHES NOMINAL IN; Material Thickness: 0.062 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-498-2971 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.