PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HB1-1/4-20X12Screw,cap,hexagon Head

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 5305-01-314-2804 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-314-2804 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-314-2804. Primary manufacturer part number: HB1-1/4-20X12.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • 4 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-314-2804, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-314-2804
Primary Part NumberHB1-1/4-20X12
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-182-9483MS3212-49 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-01-017-1172 INTERCHANGEABLE
Screw,machine
5305-01-238-10961/4-20X1/2 INTERCHANGEABLE
Screw,machine
Mil-Spec Painting, Inc.
5305-01-414-0772845-6603141-86 INTERCHANGEABLE
Screw,cap,hexagon Head
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
HB1-1/4-20X12 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
845-6603141-86 Naval Sea Systems Command (USA)
01-435-0085-5PC141 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
1/4-20X12 Naval Sea Systems Command (USA)
Related Parts
5305-00-182-9483INTERCHANGEABLE
SCREW,MACHINE
MS3212-49
5305-01-017-1172INTERCHANGEABLE
SCREW,MACHINE
5305-01-238-1096INTERCHANGEABLE
SCREW,MACHINE
1/4-20X1/2
5305-01-414-0772INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
845-6603141-86

Frequently Asked Questions

What is NSN 5305-01-314-2804?

NSN 5305-01-314-2804 is a Screw,cap,hexagon Head, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-314-2804?

NSN 5305-01-314-2804 has 4 cross-referenced part numbers: HB1-1/4-20X12 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 845-6603141-86 (Naval Sea Systems Command), 01-435-0085-5PC141 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 1/4-20X12 (Naval Sea Systems Command).

What NSN replaces 5305-01-314-2804?

There are 4 known substitutes for 5305-01-314-2804: 5305-00-182-9483, 5305-01-017-1172, 5305-01-238-1096 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HB1-1/4-20X12?

Key specifications for HB1-1/4-20X12: Special Features: SCREW SIZE:0.250,THREAD:20,FASTENER LENGTH:0.875 INCH IN; Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 3 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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