NSN 5315-01-399-2177 · NIIN 013992177 · Part number 79E77-1
Grimes Aerospace Company · FSC 5315 — Nails, Machine Keys, and Pins · FSG 53 — Hardware and Abrasives · CAGE 72914
Government record, cited
NSN 5315-01-399-2177 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-399-2177. Manufacturer of record part number: 79E77-1.
Also searched as5315-01-399-2177 ·
5315013992177 ·
NIIN 013992177 ·
01-399-2177 ·
FSC 5315 Nails, Machine Keys, and Pins · CAGE 72914 · 79E77-1
Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
Starting Edge Shape: STRAIGHT
Style Designator: FLAT BOTTOM
Circle Diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Key Height: 0.167 INCHES NOMINAL IN
Key Size Designation: WOODRUFF 1
Shear Strength: 100000 SINGLE POUNDS PER SQUARE INCH
Identification
NSN: 5315-01-399-2177
NIIN: 013992177
FSC: 5315 — Nails, Machine Keys, and Pins
FSG: 53 — Hardware and Abrasives
Primary part number: 79E77-1
Manufacturer: Grimes Aerospace Company
General Description
The Key,woodruff, cataloged under National Stock Number 5315-01-399-2177, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 9 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
5315-01-399-2177
Primary Part Number
79E77-1
Item Name
Key,woodruff
FSC / FSG
5315 / 53 — Nails, Machine Keys, and Pins
Manufacturer
Grimes Aerospace Company
Status
ACTIVE
Hardness Rating
40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
Starting Edge Shape
STRAIGHT
Style Designator
FLAT BOTTOM
Circle Diameter
0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Key Height
0.167 INCHES NOMINAL IN
Key Size Designation
WOODRUFF 1
Shear Strength
100000 SINGLE POUNDS PER SQUARE INCH
Material
STEEL COMP 2330 OR STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
Thickness
0.0625 INCHES MINIMUM AND 0.0635 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 5315-01-399-2177?
NSN 5315-01-399-2177 is a Key,woodruff, manufactured by Grimes Aerospace Company, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
What part numbers are listed for NSN 5315-01-399-2177?
NSN 5315-01-399-2177 has 1 manufacturer part number on file: 79E77-1 (Grimes Aerospace Company).
What are the specifications of 79E77-1?
Key specifications for 79E77-1: Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL; Starting Edge Shape: STRAIGHT; Style Designator: FLAT BOTTOM; Circle Diameter: 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5315-01-399-2177 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.