PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2Q1SZ27Key,woodruff

Mack Trucks Inc Parts Opn · NSN 5315-00-011-7976 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-011-7976 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-011-7976. Primary manufacturer part number: 2Q1SZ27.
Features
  • Key,woodruff — FSC 5315
  • Key Size Designation: WOODRUFF 12
  • Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thickness: 0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Key Height: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
  • Hardness Rating: 10.0 ROCKWELL C MINIMUM OVERALL
  • Starting Edge Shape: STRAIGHT
Applications
  • Applications requiring Steel Overall construction
General Description

The Key,woodruff, cataloged under National Stock Number 5315-00-011-7976, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mack Trucks Inc Parts Opn. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-011-7976
Primary Part Number2Q1SZ27
Item NameKey,woodruff
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerMack Trucks Inc Parts Opn
StatusACTIVE
Key Size DesignationWOODRUFF 12
Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thickness0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Key Height0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Hardness Rating10.0 ROCKWELL C MINIMUM OVERALL
Starting Edge ShapeSTRAIGHT
Style DesignatorROUND BOTTOM
Circle Diameter0.865 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
1560-00-474-902211797-6 INTERCHANGEABLE
Baffle Assembly,rea
Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company
5331-00-641-34072-224N304-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5895-00-917-062284110 INTERCHANGEABLE
Recorder Subassembly
Raytheon Company Dba Raytheon Co
3635-01-168-6964 INTERCHANGEABLE
Lapping Machine,quartz Crystal
5950-01-338-930084110-101 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5950-01-371-883684110-042 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5950-01-399-224884110-119 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5950-01-413-243484110-171 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
5950-01-446-033484110-061 INTERCHANGEABLE
Transformer,power
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
6680-01-533-522784110-042 INTERCHANGEABLE
Transmitter,rate of Flow
Setra Systems, Inc. Dba Gems Sensors
Cross-Reference Index
Part NumberManufacturer
2Q1SZ27 PRIMARY Mack Trucks Inc Parts Opn (USA)
BB8807 Diamond Reo Truck Co (USA)
117976 General Motors Corp (USA)
117976 General Motors Llc Dba General Motors Llc (USA)
306329 White Motor Corp (USA)
128757 Celtrac Corp (USA)
9X262 PRIMARY Napco International Llc Dba Napco International Inc (USA)
3548805 Kaitlin Corp (USA)
84110 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
18839J Diamond Reo Truck Co (USA)
Related Parts
1560-00-474-9022INTERCHANGEABLE
BAFFLE ASSEMBLY,REA
11797-6
5331-00-641-3407INTERCHANGEABLE
O-RING
2-224N304-75
5895-00-917-0622INTERCHANGEABLE
RECORDER SUBASSEMBLY
84110
3635-01-168-6964INTERCHANGEABLE
LAPPING MACHINE,QUARTZ CRYSTAL
5950-01-338-9300INTERCHANGEABLE
TRANSFORMER,POWER
84110-101
5950-01-371-8836INTERCHANGEABLE
TRANSFORMER,POWER
84110-042
5950-01-399-2248INTERCHANGEABLE
TRANSFORMER,POWER
84110-119
5950-01-413-2434INTERCHANGEABLE
TRANSFORMER,POWER
84110-171
5950-01-446-0334INTERCHANGEABLE
TRANSFORMER,POWER
84110-061
6680-01-533-5227INTERCHANGEABLE
TRANSMITTER,RATE OF FLOW
84110-042

Frequently Asked Questions

What is NSN 5315-00-011-7976?

NSN 5315-00-011-7976 is a Key,woodruff, manufactured by Mack Trucks Inc Parts Opn, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-011-7976?

NSN 5315-00-011-7976 has 10 cross-referenced part numbers: 2Q1SZ27 (Mack Trucks Inc Parts Opn), BB8807 (Diamond Reo Truck Co), 117976 (General Motors Corp), 117976 (General Motors Llc Dba General Motors Llc), 306329 (White Motor Corp) and 5 more.

What NSN replaces 5315-00-011-7976?

There are 10 known substitutes for 5315-00-011-7976: 1560-00-474-9022, 5331-00-641-3407, 5895-00-917-0622 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2Q1SZ27?

Key specifications for 2Q1SZ27: Key Size Designation: WOODRUFF 12; Material Document and Classification: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Thickness: 0.218 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

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