The Washer,centering,br, cataloged under National Stock Number 2530-00-030-3371, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5330-00-920-0040301597POSSIBLE MATCH
GASKET
Possible match (shared part number)The Walworth Company
5331-01-512-7854POSSIBLE MATCH
O-RING
Possible match (shared part number)
6540-01-614-9497067513-6251POSSIBLE MATCH
LENS BLANK,OPHTHALMIC,MULTIFOCAL
Possible match (shared part number)Lyric Optical Company, Inc. Div Lyric Optical Dba Super Optical International
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
301597
3/9Design control — primary reference
Fruehauf Corp
Related Parts
5330-00-920-0040POSSIBLE MATCH
GASKET
301597
5331-01-512-7854POSSIBLE MATCH
O-RING
6540-01-614-9497POSSIBLE MATCH
LENS BLANK,OPHTHALMIC,MULTIFOCAL
067513-6251
Frequently Asked Questions
What is NSN 2530-00-030-3371?
NSN 2530-00-030-3371 is a Washer,centering,br, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
What NSN replaces 2530-00-030-3371?
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-920-0040, 5331-01-512-7854, 6540-01-614-9497. Verify interchangeability with system specifications before substitution.
Is NSN 2530-00-030-3371 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.