NSN 5310-00-261-7388 · NIIN 002617388 · Part number 8542
Eaton Aerospace, Llc Dba Jackson South · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 62983
Government record, cited
NSN 5310-00-261-7388 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-261-7388. Manufacturer of record part number: 8542.
Also searched as5310-00-261-7388 ·
5310002617388 ·
NIIN 002617388 ·
00-261-7388 ·
FSC 5310 Nuts and Washers · CAGE 62983 · 8542
Hole Diameter: 0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Eaton Aerospace, Llc Dba Jackson South
Identification
NSN: 5310-00-261-7388
NIIN: 002617388
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8542
Manufacturer: Eaton Aerospace, Llc Dba Jackson South
General Description
The Washer,lock, cataloged under National Stock Number 5310-00-261-7388, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 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. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-261-7388
Primary Part Number
8542
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Eaton Aerospace, Llc Dba Jackson South
Status
ACTIVE
Style Designator
SPLIT HELICAL-RIGHT HAND
Outside Diameter
0.562 INCHES NOMINAL IN
Material Thickness
0.078 INCHES NOMINAL IN
Material
STEEL OVERALL
Hole Diameter
0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5310-00-275-36748542POSSIBLE MATCH
WASHER,LOCK
Possible match (shared part number)Te Connectivity Corporation
5940-00-275-78018-542POSSIBLE MATCH
TERMINAL BOARD
Possible match (shared part number)Cinch Connectivity Solutions Inc.
5330-00-740-28788542POSSIBLE MATCH
GASKET
Possible match (shared part number)Prestolite Electric Inc
5998-01-087-2925005-5961POSSIBLE MATCH
CIRCUIT CARD ASSEMBLY
Possible match (shared part number)Data General Corporation
3990-01-297-0676SH-3333RGPOSSIBLE MATCH
TIE DOWN,CARGO,VEHICLE
Possible match (shared part number)Mm Reif Ltd
6625-01-426-43038542CPOSSIBLE MATCH
METER,ELECTRICAL FREQUENCY
Possible match (shared part number)Spanawave Corporation
NSN 5310-00-261-7388 is a Washer,lock, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-261-7388?
NSN 5310-00-261-7388 has 1 manufacturer part number on file: 8542 (Eaton Aerospace, Llc Dba Jackson South).
What NSN replaces 5310-00-261-7388?
6 possible matches (shared part number, not a government interchangeability claim): 5310-00-275-3674, 5940-00-275-7801, 5330-00-740-2878. Verify interchangeability with system specifications before substitution.
What are the specifications of 8542?
Key specifications for 8542: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.562 INCHES NOMINAL IN; Material Thickness: 0.078 INCHES NOMINAL IN; Material: STEEL OVERALL. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-261-7388 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.