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Technical Data Sheet
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221929 — Technical Data Sheet

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The RESISTOR,FIXED,COMPOSITION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, head_style: HEXAGON, body_length: 0.250 INCHES NOMINAL IN, head_height: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, thread_class: 2A A, body_diameter: 0.090 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-00-022-1929, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 221929
NSN: 5305-00-022-1929
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
head_styleHEXAGON
body_length0.250 INCHES NOMINAL IN
head_height0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
thread_class2A A
body_diameter0.090 INCHES NOMINAL IN
hole_diameter0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
terminal_typeWIRE LEAD
thread_length0.750 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
inclosure_typeENCAPSULATED
overall_length1.940 INCHES MINIMUM AND 1.980 INCHES MAXIMUM IN
fastener_length1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN
NSN5305-00-022-1929
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 221929 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LOCKING FEATURE: DISTORTIONS BEARING SURFACE OF HEAD
•
MATERIAL: STEEL COMP 1035 OVERALL
•
THREAD QUANTITY PER INCH: 28
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
MINIMUM YIELD STRENGTH: 85000 POUNDS PER SQUARE INCH LBS
•
FEATURES PROVIDED: FINISHED HEAD
•
HARDNESS RATING: 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
LOCKING FEATUREDISTORTIONS BEARING SURFACE OF HEAD
MATERIALSTEEL COMP 1035 OVERALL
THREAD QUANTITY PER INCH28
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
MINIMUM YIELD STRENGTH85000 POUNDS PER SQUARE INCH LBS
FEATURES PROVIDEDFINISHED HEAD
HARDNESS RATING96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH95000 POUNDS PER SQUARE INCH LBS
FASTENER LENGTH1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
7902751-99InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
13-12932-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
6143W10P114InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MILB45912InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
MS35763InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
745-0804-000InterchangeableGOVERNMENT REGISTRY
Resistor,fixed,composition
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221929?
221929 is a RESISTOR,FIXED,COMPOSITION. It is classified as a MRO (MRO_GENERAL).
What parts can replace 221929?
There are 16 known substitutes for 221929: 7902751-99, 13-12932-00, 6143W10P114 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 221929?
221929 is cataloged in the Federal Logistics Information System under NSN 5305-00-022-1929. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026