PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SS845-2007644 PIECE 14Screw,cap,socket Head

Naval Ship Systems Command · NSN 5305-00-427-6750 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-427-6750 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-427-6750. Primary manufacturer part number: SS845-2007644 PIECE 14.
Features
  • Screw,cap,socket Head — FSC 5305
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.500 INCHES IN
  • Specification/standard Data: 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Minimum Yield Strength: 155000 POUNDS PER SQUARE INCH LBS
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-427-6750, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-427-6750
Primary Part NumberSS845-2007644 PIECE 14
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.500 INCHES IN
Specification/standard Data80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Minimum Yield Strength155000 POUNDS PER SQUARE INCH LBS
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
Thread Series DesignatorUNRC
Thread Length1.500 INCHES MINIMUM IN
Internal Drive StyleHEXAGON
Fastener Length1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Minimum Tensile Strength180000 POUNDS PER SQUARE INCH LBS
Head Diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Head Height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Class3A A
Thread Quantity Per Inch13
Width Across Flats0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-309-1467528078 INTERCHANGEABLE
Pin,hollow
Goodrich Corporation
5961-00-921-3781 INTERCHANGEABLE
Semiconductor Device,diode
4720-01-133-789127183 INTERCHANGEABLE
Hose,preformed
Alliance Laundry Systems Llc
5305-01-142-9403 INTERCHANGEABLE
Screw,cap,socket Head
4310-01-425-576627183 INTERCHANGEABLE
Impeller,vacuum Pump
Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
2920-01-626-1006144A2191G2 INTERCHANGEABLE
Terminal Block,electrical
Ward Leonard Ct Llc
5995-01-647-490827183 INTERCHANGEABLE
Cable Assembly,special Purpose,e
C2g Dba C 2G Architects & Builders Div Michael Chait
5995-01-733-728727183 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
Cross-Reference Index
Part NumberManufacturer
27183 Moog Inc. Dba Ampac-Isp Corp (USA)
970-41705 ITEM 35 Moog Inc. Dba Ampac-Isp Corp (USA)
SS845-2007644 PIECE 14 PRIMARY Naval Ship Systems Command (USA)
970-26295 ITEM 14 Moog Inc. Dba Ampac-Isp Corp (USA)
209-2047974 PIECE 12 Naval Ship Systems Command (USA)
2640-129X2 PIECE 14 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
52-80-78 Zf Industrieantriebe Witten Gmbh (DEU)
91251A720 Mcmaster-Carr Supply Co (USA)
71721-21X5 PIECE 12 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5315-00-309-1467INTERCHANGEABLE
PIN,HOLLOW
528078
5961-00-921-3781INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
4720-01-133-7891INTERCHANGEABLE
HOSE,PREFORMED
27183
5305-01-142-9403INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
4310-01-425-5766INTERCHANGEABLE
IMPELLER,VACUUM PUMP
27183
2920-01-626-1006INTERCHANGEABLE
TERMINAL BLOCK,ELECTRICAL
144A2191G2
5995-01-647-4908INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
27183
5995-01-733-7287INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
27183

Frequently Asked Questions

What is NSN 5305-00-427-6750?

NSN 5305-00-427-6750 is a Screw,cap,socket Head, manufactured by Naval Ship Systems Command, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-427-6750?

NSN 5305-00-427-6750 has 9 cross-referenced part numbers: 27183 (Moog Inc. Dba Ampac-Isp Corp), 970-41705 ITEM 35 (Moog Inc. Dba Ampac-Isp Corp), SS845-2007644 PIECE 14 (Naval Ship Systems Command), 970-26295 ITEM 14 (Moog Inc. Dba Ampac-Isp Corp), 209-2047974 PIECE 12 (Naval Ship Systems Command) and 4 more.

What NSN replaces 5305-00-427-6750?

There are 8 known substitutes for 5305-00-427-6750: 5315-00-309-1467, 5961-00-921-3781, 4720-01-133-7891 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SS845-2007644 PIECE 14?

Key specifications for SS845-2007644 PIECE 14: Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.500 INCHES IN; Specification/standard Data: 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 20 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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