NSN 5310-01-131-1559 · NIIN 011311559 · Part number 55601
Mueller Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 41950
Government record, cited
NSN 5310-01-131-1559 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-131-1559. Manufacturer of record part number: 55601.
Also searched as5310-01-131-1559 ·
5310011311559 ·
NIIN 011311559 ·
01-131-1559 ·
FSC 5310 Nuts and Washers · CAGE 41950 · 55601
The Nut, cataloged under National Stock Number 5310-01-131-1559, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mueller Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Nut
FSC / FSG
5310 — Nuts and Washers (FSG 53)
Manufacturers
Mueller Co (CAGE 41950)
Technical Specifications
Parameter
Value
NSN
5310-01-131-1559
Primary Part Number
55601
Item Name
Nut
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Mueller Co
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4520-01-428-314255601POSSIBLE MATCH
HEATING ELEMENT,ELECTRICAL,NONIM
Possible match (shared part number)Indeeco Llc Dba Indeeco
6230-01-505-003255601POSSIBLE MATCH
FLASHLIGHT
Possible match (shared part number)Armament Systems and Procedures Inc
1005-01-651-505155601POSSIBLE MATCH
CHUTE,AMMUNITION
Possible match (shared part number)Nobles Worldwide, Inc.
NSN 5310-01-131-1559 is a Nut, manufactured by Mueller Co, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-131-1559?
NSN 5310-01-131-1559 has 1 manufacturer part number on file: 55601 (Mueller Co).
What NSN replaces 5310-01-131-1559?
3 possible matches (shared part number, not a government interchangeability claim): 4520-01-428-3142, 6230-01-505-0032, 1005-01-651-5051. Verify interchangeability with system specifications before substitution.
Is NSN 5310-01-131-1559 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.