PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1771044Bolt,internal Wrenching

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5306-00-107-5373 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-107-5373 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-107-5373. Primary manufacturer part number: 1771044.
Features
  • Bolt,internal Wrenching — FSC 5306
  • Fastener Length: 0.678 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Surface Treatment: ZINC OVERALL
  • Thread Quantity Per Inch: 24
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment Document and Classification: QQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-107-5373, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-107-5373
Primary Part Number1771044
Item NameBolt,internal Wrenching
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Fastener Length0.678 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
Head Diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Surface TreatmentZINC OVERALL
Thread Quantity Per Inch24
Nominal Thread Diameter0.190 INCHES IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Surface Treatment Document and ClassificationQQ-Z-325,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Thread Class3A A
Internal Drive StyleHEXAGON
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Thread Length0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Width Across Flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
2805-00-006-62934100775 INTERCHANGEABLE
Rocker Arm,engine Poppet Valve
Chrysler Realty Company Llc Dba Daimler Chrysler
3030-00-125-8583 INTERCHANGEABLE
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3455-00-250-0779 INTERCHANGEABLE
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5365-00-285-6649P6037 INTERCHANGEABLE
Spacer,ring
Enerpac Tool Group Corp
5915-00-768-470946315 INTERCHANGEABLE
Filter,band Pass
L3harris Technologies, Inc. Div Space and Airborne Systems
4730-01-137-306744052 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cleveland Service Center
4730-01-422-945233221-9 1/8PERF INTERCHANGEABLE
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Tate Andale, Llc
2805-01-499-481944052 INTERCHANGEABLE
Manifold,intake
Bourns Inc
5305-01-591-574644052 INTERCHANGEABLE
Screw,cap,socket Head
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Cross-Reference Index
Part NumberManufacturer
1771044 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
44-052 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
1771044 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
2805-00-006-6293INTERCHANGEABLE
ROCKER ARM,ENGINE POPPET VALVE
4100775
3030-00-125-8583INTERCHANGEABLE
BELT,POSITIVE DRIVE
3455-00-250-0779INTERCHANGEABLE
CUTTER,MILLING,END
5365-00-285-6649INTERCHANGEABLE
SPACER,RING
P6037
5915-00-768-4709INTERCHANGEABLE
FILTER,BAND PASS
46315
4730-01-137-3067INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
44052
4730-01-422-9452INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
33221-9 1/8PERF
2805-01-499-4819INTERCHANGEABLE
MANIFOLD,INTAKE
44052
5305-01-591-5746INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
44052

Frequently Asked Questions

What is NSN 5306-00-107-5373?

NSN 5306-00-107-5373 is a Bolt,internal Wrenching, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-107-5373?

NSN 5306-00-107-5373 has 3 cross-referenced part numbers: 1771044 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 44-052 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1771044 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5306-00-107-5373?

There are 9 known substitutes for 5306-00-107-5373: 2805-00-006-6293, 3030-00-125-8583, 3455-00-250-0779 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1771044?

Key specifications for 1771044: Fastener Length: 0.678 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN; Head Diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Surface Treatment: ZINC OVERALL; Thread Quantity Per Inch: 24. 15 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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