PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B1821BH038C100NScrew,cap,hexagon Head

American National Standards Institute Incorporated Dba American National Standards Institute · NSN 5305-00-068-0510 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-068-0510 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-068-0510. Primary manufacturer part number: B1821BH038C100N.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Quantity Per Inch: 16
  • Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS
  • Material: STEEL OVERALL
  • Material Document and Classification: SAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Hardness Rating: 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-068-0510, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is American National Standards Institute Incorporated Dba American National Standards Institute. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 24 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-068-0510
Primary Part NumberB1821BH038C100N
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerAmerican National Standards Institute Incorporated Dba American National Standards Institute
StatusCANCELLED
Nominal Thread Diameter0.375 INCHES IN
Thread Quantity Per Inch16
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
MaterialSTEEL OVERALL
Material Document and ClassificationSAEJ429 GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM A354 GRADE BD ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Hardness Rating33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
Width Between Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Surface Treatment Document and ClassificationASTM B633 TY 2 SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC AND CHROMATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Thread Length1.000 INCHES MAXIMUM IN
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Fastener Length1.000 INCHES NOMINAL IN
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4920-00-015-28497325 INTERCHANGEABLE
Shaft,pinion,signal
Honeywell Limited Dba Honeywell Aerospace Toronto Div Aerospace-Toronto
1270-00-099-5010403817 INTERCHANGEABLE
Retainer,fastener S
Raytheon Company Dba Raytheon
5935-00-149-3304RE B 49080 INTERCHANGEABLE
Adapter,connector
Naval Ship Systems Command
6695-00-532-8140 INTERCHANGEABLE
Sampler,liquid,automatic
5305-00-942-2196AES01C375A00AW9A97 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
4310-01-010-12787325 A INTERCHANGEABLE
Ring,piston
O. C. Keckley Company
5985-01-166-27559137 INTERCHANGEABLE
Antenna
Viavi Solutionsllc
5305-01-205-989200580 INTERCHANGEABLE
Setscrew
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
4730-01-224-8402 INTERCHANGEABLE
Ferrule,brazing,tube Fitting
5945-01-244-94630490-0670 INTERCHANGEABLE
Relay,electromagnetic
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
9137 Auto Vehicle Parts Co Dba Au-Ve-Co (USA)
YE121887 Lift-a-Loft, Llc (USA)
7325 Zf Industrieantriebe Witten Gmbh (DEU)
1825-015 Eme Elektro-Metall Export Gmbh (DEU)
91247A624 Mcmaster-Carr Supply Co (USA)
22523K1 Rtx Corporation Div Pratt & Whitney (USA)
Z467AH014 Zf Industrieantriebe Witten Gmbh (DEU)
MS35301-60 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS90728-60 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
1825-015 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA)
22523R1 Rtx Corporation Div Pratt & Whitney (USA)
3176210-A-089 Zf Industrieantriebe Witten Gmbh (DEU)
B1831BH038C100N American National Standards Institute Incorporated Dba American National Standards Institute (USA)
5305PL0655912 Jednolity Indeks Materialowy - Uniform Material Index (POL)
10521-38 Circor Pumps North America Llc (USA)
5305000680510 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
10082361 Nimikkeistokeskus Ncb Finland (FIN)
456720119309 Ncb Hungary (honvedsegi Egyseges Termekkod) (HUN)
909-0060 Lima Electric Co Inc the (USA)
17C616 Clark Equipment Co (USA)
Related Parts
4920-00-015-2849INTERCHANGEABLE
SHAFT,PINION,SIGNAL
7325
1270-00-099-5010INTERCHANGEABLE
RETAINER,FASTENER S
403817
5935-00-149-3304INTERCHANGEABLE
ADAPTER,CONNECTOR
RE B 49080
6695-00-532-8140INTERCHANGEABLE
SAMPLER,LIQUID,AUTOMATIC
5305-00-942-2196INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C375A00AW9A97
4310-01-010-1278INTERCHANGEABLE
RING,PISTON
7325 A
5985-01-166-2755INTERCHANGEABLE
ANTENNA
9137
5305-01-205-9892INTERCHANGEABLE
SETSCREW
00580
4730-01-224-8402INTERCHANGEABLE
FERRULE,BRAZING,TUBE FITTING
5945-01-244-9463INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
0490-0670
5120-01-291-3566INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
1U7563
5310-01-338-8188INTERCHANGEABLE
WASHER,FINISHING
98466A011

Frequently Asked Questions

What is NSN 5305-00-068-0510?

NSN 5305-00-068-0510 is a Screw,cap,hexagon Head, manufactured by American National Standards Institute Incorporated Dba American National Standards Institute, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-068-0510?

NSN 5305-00-068-0510 has 30 cross-referenced part numbers: 9137 (Auto Vehicle Parts Co Dba Au-Ve-Co), YE121887 (Lift-a-Loft, Llc), 7325 (Zf Industrieantriebe Witten Gmbh), 1825-015 (Eme Elektro-Metall Export Gmbh), 91247A624 (Mcmaster-Carr Supply Co) and 25 more.

What NSN replaces 5305-00-068-0510?

There are 12 known substitutes for 5305-00-068-0510: 4920-00-015-2849, 1270-00-099-5010, 5935-00-149-3304 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B1821BH038C100N?

Key specifications for B1821BH038C100N: End Item Identification: MRAP-RG-33; RG-33 AUV; MRAP BUFFALO MK2A2; M-ATV W/CS13 POP; MRAP - COUGAR CAT1 A2; MEDIUM MINE PROTECTED VEHICLE - AMPV; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS); Nominal Thread Diameter: 0.375 INCHES IN; Thread Quantity Per Inch: 16; Minimum Tensile Strength: 150000 POUNDS PER SQUARE INCH LBS. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-068-0510 still in active supply?

NSN 5305-00-068-0510 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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