FSC: 5810 — Communications Security Equipment and Components
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
General Description
The Nut,square, cataloged under National Stock Number 5810-00-565-7971, is classified within Federal Supply Class 5810 (Communications Security Equipment and Components) of the Communication, Detection, and Coherent Radiation Equipment group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Nut,square
FSC / FSG
5810 — Communications Security Equipment and Components (FSG 58)
Technical Specifications
Parameter
Value
NSN
5810-00-565-7971
Item Name
Nut,square
FSC / FSG
5810 / 58 — Communications Security Equipment and Components
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
131285
C/1Advisory reference — outside the item-of-supply concept
Lucent Technologies Inc Corporate Headquarters
131285
3/9Design control — primary reference
American Telephone and Telegraph Co
131285
5/9Secondary reference
At and T Corp
No interchangeability data on file.
Other items in FSC 5810 — Communications Security Equipment and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5810-00-003-1130
CARD HOLDER
5810-00-003-1131
5810-00-003-1131 · Item name not on file
5810-00-003-1132
5810-00-003-1132 · Item name not on file
5810-00-003-1133
5810-00-003-1133 · Item name not on file
5810-00-003-1135
5810-00-003-1135 · Item name not on file
5810-00-003-1136
5810-00-003-1136 · Item name not on file
5810-00-003-1137
5810-00-003-1137 · Item name not on file
5810-00-003-1138
5810-00-003-1138 · Item name not on file
Frequently Asked Questions
What is NSN 5810-00-565-7971?
NSN 5810-00-565-7971 is a Nut,square, classified under FSC 5810, Communications Security Equipment and Components. Status: active.
Is NSN 5810-00-565-7971 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.