Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Style Designator: SLOTTED
Diameter: 0.187 INCHES NOMINAL IN
Material Thickness: 0.040 INCHES NOMINAL IN
Surface Treatment: OIL OVERALL
Material: STEEL OVERALL
Identification
NSN: 5315-01-281-8961
NIIN: 012818961
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
General Description
The Pin,spring, cataloged under National Stock Number 5315-01-281-8961, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5315-01-281-8961
Item Name
Pin,spring
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
Status
ACTIVE
Hardness Rating
46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Style Designator
SLOTTED
Diameter
0.187 INCHES NOMINAL IN
Material Thickness
0.040 INCHES NOMINAL IN
Surface Treatment
OIL OVERALL
Material
STEEL OVERALL
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
59-040-187-0312
3/9Design control — primary reference
Harvard Industries Inc
77634-0020
5/9Secondary reference
U.S. Government activity
H-83923-55
5/9Secondary reference
U.S. Government activity
No interchangeability data on file.
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 5315-01-281-8961?
NSN 5315-01-281-8961 is a Pin,spring, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What are the specifications of 5315-01-281-8961?
Key specifications for 5315-01-281-8961: Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Style Designator: SLOTTED; Diameter: 0.187 INCHES NOMINAL IN; Overall Length: 0.312 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5315-01-281-8961 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.