NSN 5315-01-351-1955 · NIIN 013511955 · Part number 5545999
Naval Sea Systems Command · FSC 5315 — Nails, Machine Keys, and Pins · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5315-01-351-1955 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-351-1955. Manufacturer of record part number: 5545999.
Also searched as5315-01-351-1955 ·
5315013511955 ·
NIIN 013511955 ·
01-351-1955 ·
FSC 5315 Nails, Machine Keys, and Pins · CAGE 53711 · 5545999
First Flat Length: 0.901 INCHES NOMINAL0.901 INCHES NOMINAL IN
Style Designator: STEPPEDSTEPPED
Flat Height: 0.445 INCHES MINIMUM AND 0.445 INCHES MINIMUM AND 0.451 INCHES MAXIMUM0.451 INCHES MAXIMUM IN
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5315-01-351-1955
NIIN: 013511955
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
Primary part number: 5545999
Manufacturer: Naval Sea Systems Command
General Description
The Key,machine, cataloged under National Stock Number 5315-01-351-1955, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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
5315-01-351-1955
Primary Part Number
5545999
Item Name
Key,machine
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
First Flat Length
0.901 INCHES NOMINAL0.901 INCHES NOMINAL IN
Style Designator
STEPPEDSTEPPED
Flat Height
0.445 INCHES MINIMUM AND 0.445 INCHES MINIMUM AND 0.451 INCHES MAXIMUM0.451 INCHES MAXIMUM IN
Other items in FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037
5315-00-000-1037 · Item name not on file
5315-00-000-1067
5315-00-000-1067 · Item name not on file
5315-00-000-1245
5315-00-000-1245 · Item name not on file
5315-00-000-1372
5315-00-000-1372 · Item name not on file
5315-00-000-1412
5315-00-000-1412 · Item name not on file
5315-00-001-1571
PIN
5315-00-001-1572
PIN,LINKAGE
5315-00-001-1602
5315-00-001-1602 · Item name not on file
Frequently Asked Questions
What is NSN 5315-01-351-1955?
NSN 5315-01-351-1955 is a Key,machine, manufactured by Naval Sea Systems Command, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What part numbers are listed for NSN 5315-01-351-1955?
NSN 5315-01-351-1955 has 1 manufacturer part number on file: 5545999 (Naval Sea Systems Command).
What are the specifications of 5545999?
Key specifications for 5545999: Overall Height: 0.740 INCHES MINIMUM AND 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM0.750 INCHES MAXIMUM IN; First Flat Length: 0.901 INCHES NOMINAL0.901 INCHES NOMINAL IN; Style Designator: STEPPEDSTEPPED; Overall Length: 1.083 INCHES MINIMUM AND 1.083 INCHES MINIMUM AND 1.088 INCHES MAXIMUM1.088 INCHES MAXIMUM IN. 3 specifications are documented in the U.S. Government catalog.
Is NSN 5315-01-351-1955 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.