PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99120871Key,machine

Alfa Laval Inc · NSN 5315-01-227-1329 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-227-1329 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-227-1329. Primary manufacturer part number: 99120871.
Features
  • Key,machine — FSC 5315
  • Style Designator: STEPPED
  • Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Key Chamfer Angle: 3.0 DEGREES NOMINAL
  • First Flat Length: 0.724 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
  • Key Chamfer Length: 1.417 INCHES NOMINAL IN
  • Starting Edge Shape: CHAMFERED
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Key,machine, cataloged under National Stock Number 5315-01-227-1329, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Alfa Laval Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-01-227-1329
Primary Part Number99120871
Item NameKey,machine
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerAlfa Laval Inc
StatusCANCELLED
Style DesignatorSTEPPED
Material Document and ClassificationQQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Key Chamfer Angle3.0 DEGREES NOMINAL
First Flat Length0.724 INCHES MINIMUM AND 0.764 INCHES MAXIMUM IN
Key Chamfer Length1.417 INCHES NOMINAL IN
Starting Edge ShapeCHAMFERED
MaterialSTEEL OVERALL
Flat Height0.413 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5331-00-165-1957AS3209-239 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5325-01-580-343514637 INTERCHANGEABLE
Grommet,metallic
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
14637 Alfa Laval Inc (USA)
99120871 PRIMARY Alfa Laval Inc (USA)
Related Parts
5331-00-165-1957INTERCHANGEABLE
O-RING
AS3209-239
5325-01-580-3435INTERCHANGEABLE
GROMMET,METALLIC
14637

Frequently Asked Questions

What is NSN 5315-01-227-1329?

NSN 5315-01-227-1329 is a Key,machine, manufactured by Alfa Laval Inc, classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-01-227-1329?

NSN 5315-01-227-1329 has 2 cross-referenced part numbers: 14637 (Alfa Laval Inc), 99120871 (Alfa Laval Inc).

What NSN replaces 5315-01-227-1329?

There are 2 known substitutes for 5315-01-227-1329: 5331-00-165-1957, 5325-01-580-3435. Verify interchangeability with system specifications before substitution.

What are the specifications of 99120871?

Key specifications for 99120871: Style Designator: STEPPED; Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.244 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Key Chamfer Angle: 3.0 DEGREES NOMINAL. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-01-227-1329 still in active supply?

NSN 5315-01-227-1329 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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