PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34910-71Screw,machine

Gaf Corp Brooklyn Plant · NSN 5305-00-543-2785 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-2785 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-2785. Primary manufacturer part number: 34910-71.
Features
  • Screw,machine — FSC 5305
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Length: 0.500 INCHES MAXIMUM IN
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
  • Head Diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
  • Screw Material: STEEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-543-2785, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gaf Corp Brooklyn Plant. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 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
NSN5305-00-543-2785
Primary Part Number34910-71
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGaf Corp Brooklyn Plant
StatusACTIVE
Internal Drive StyleCROSS RECESS TYPE 1
Thread Length0.500 INCHES MAXIMUM IN
Fastener Length0.500 INCHES NOMINAL IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
Head Diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
Screw MaterialSTEEL
Thread Quantity Per Inch32
Nominal Thread Diameter0.164 INCHES IN
Thread Class2A A
Screw Surface TreatmentPASSIVATE
Screw Material Document and ClassificationQQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Head StylePAN NO. 2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-054-6670 INTERCHANGEABLE
Screw,machine
5365-00-127-506621691 INTERCHANGEABLE
Ring,cam
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
2530-00-734-9235921729 INTERCHANGEABLE
Shaft Pitman Asy
Chrysler Realty Company Llc Dba Daimler Chrysler
1280-01-145-25973491071 INTERCHANGEABLE
Retainer,bearing
Raytheon Company Dba Raytheon
5330-01-395-360717086 INTERCHANGEABLE
Seal,plain Encased
Karl Senner, L.l.c. Dba Karl Senner Inc
5360-01-487-582417086 INTERCHANGEABLE
Spring,helical,torsion
B&g Lieberman Co Inc
6515-01-590-0869202.220 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5330-01-601-60401708-6 INTERCHANGEABLE
Retainer,packing
Tescom Corp Dba Tescom Div Tescom
6150-01-686-554817086 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Sea-Bird Electronics, Inc Dba Sea-Bird Scientific
Cross-Reference Index
Part NumberManufacturer
34910-71 Gaf Corp Brooklyn Plant (USA)
8599273-247 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
8599273-247 General Motors Corp (USA)
12Z1132-41 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS35233-45 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7949547-245 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
17086 Federal Screw Products, Inc. (USA)
7949547-245 General Motors Corp (USA)
FFS92TYPE1STYLE9S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
17086ADX Airdale Express Llc Div Airdale Express (USA)
Related Parts
5305-00-054-6670INTERCHANGEABLE
SCREW,MACHINE
5365-00-127-5066INTERCHANGEABLE
RING,CAM
21691
2530-00-734-9235INTERCHANGEABLE
SHAFT PITMAN ASY
921729
1280-01-145-2597INTERCHANGEABLE
RETAINER,BEARING
3491071
5330-01-395-3607INTERCHANGEABLE
SEAL,PLAIN ENCASED
17086
5360-01-487-5824INTERCHANGEABLE
SPRING,HELICAL,TORSION
17086
6515-01-590-0869INTERCHANGEABLE
SCREW,BONE
202.220
5330-01-601-6040INTERCHANGEABLE
RETAINER,PACKING
1708-6
6150-01-686-5548INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
17086

Frequently Asked Questions

What is NSN 5305-00-543-2785?

NSN 5305-00-543-2785 is a Screw,machine, manufactured by Gaf Corp Brooklyn Plant, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-543-2785?

NSN 5305-00-543-2785 has 10 cross-referenced part numbers: 34910-71 (Gaf Corp Brooklyn Plant), 8599273-247 (L3harris Mas Inc Div L3harris Mas Inc.), 8599273-247 (General Motors Corp), 12Z1132-41 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS35233-45 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5305-00-543-2785?

There are 9 known substitutes for 5305-00-543-2785: 5305-00-054-6670, 5365-00-127-5066, 2530-00-734-9235 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34910-71?

Key specifications for 34910-71: Internal Drive Style: CROSS RECESS TYPE 1; Thread Length: 0.500 INCHES MAXIMUM IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 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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