PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81617Screw,cap,hexagon Head

Energy Manufacturing Co. Inc. · NSN 5305-01-129-6902 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-129-6902 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-129-6902. Primary manufacturer part number: 81617.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Material: STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 2.000 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 or Steel Comp 1021 or Steel Comp 1022 or Steel Comp 1023 or Steel Comp 1524 or Steel Comp 1025 or Steel Comp 1026 or Steel Comp 1527 or Steel Comp 1029 or Steel Comp 1030 or Steel Comp 1033 or Steel Comp 1034 or Steel Comp 1035 or Steel Comp 1536 or Steel Comp 1037 or Steel Comp 1038 or Steel Comp 1039 or Steel Comp 1040 or Steel Comp 1541 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-129-6902, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Energy Manufacturing Co. Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-129-6902
Primary Part Number81617
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerEnergy Manufacturing Co. Inc.
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Class2A A
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
MaterialSTEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length2.000 INCHES NOMINAL IN
Thread Quantity Per Inch16
Thread Length1.000 INCHES NOMINAL IN
Nominal Thread Diameter0.375 INCHES IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5340-00-021-515112632 INTERCHANGEABLE
Bracket,double Angle
Funk Mfg Co Sub of Deere and Co
5950-00-126-506512632 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
7690-00-530-710081617 INTERCHANGEABLE
Decal
Hamilton Sundstrand Corporation Dba Collins Aerospace
1650-00-922-876981617 INTERCHANGEABLE
Piston,tank
Hydro-Aire Aerospace Corp
4920-00-925-790781617 INTERCHANGEABLE
Test Stand,hydraulic System Comp
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5950-01-029-0832990-504-91 INTERCHANGEABLE
Transformer,power
Ametek Programmable Power, Inc.
5970-01-120-905612632 INTERCHANGEABLE
Insulator,plate
Data Device Corp Dba Beta Transformer Technology
5120-01-122-8359 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
3040-01-254-993112632 INTERCHANGEABLE
Hub,body
Westerbeke Corporation
6220-01-497-68848161-7 INTERCHANGEABLE
Light,navigational,aircraft
Luminescent Systems, Inc. Dba Lsi Div Lsi-Nh
Cross-Reference Index
Part NumberManufacturer
81617 PRIMARY Energy Manufacturing Co. Inc. (USA)
12-632 PRIMARY Cnh Industrial America Llc Dba Cnh America (USA)
Related Parts
5340-00-021-5151INTERCHANGEABLE
BRACKET,DOUBLE ANGLE
12632
5950-00-126-5065INTERCHANGEABLE
TRANSFORMER,POWER
12632
7690-00-530-7100INTERCHANGEABLE
DECAL
81617
1650-00-922-8769INTERCHANGEABLE
PISTON,TANK
81617
4920-00-925-7907INTERCHANGEABLE
TEST STAND,HYDRAULIC SYSTEM COMP
81617
5950-01-029-0832INTERCHANGEABLE
TRANSFORMER,POWER
990-504-91
5970-01-120-9056INTERCHANGEABLE
INSULATOR,PLATE
12632
5120-01-122-8359INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
3040-01-254-9931INTERCHANGEABLE
HUB,BODY
12632
6220-01-497-6884INTERCHANGEABLE
LIGHT,NAVIGATIONAL,AIRCRAFT
8161-7
5120-01-657-2601INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
12632
5995-01-672-6593INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
81617

Frequently Asked Questions

What is NSN 5305-01-129-6902?

NSN 5305-01-129-6902 is a Screw,cap,hexagon Head, manufactured by Energy Manufacturing Co. Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-129-6902?

NSN 5305-01-129-6902 has 2 cross-referenced part numbers: 81617 (Energy Manufacturing Co. Inc.), 12-632 (Cnh Industrial America Llc Dba Cnh America).

What NSN replaces 5305-01-129-6902?

There are 12 known substitutes for 5305-01-129-6902: 5340-00-021-5151, 5950-00-126-5065, 7690-00-530-7100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81617?

Key specifications for 81617: Thread Direction: RIGHT-HAND; Thread Class: 2A A; Width Between Flats: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Material: STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL. 11 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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