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21F1 — STRAP NUT,PLUG-IN ELECTRONIC COM

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

21F1: STRAP NUT,PLUG-IN ELECTRONIC COM.

STRAP NUT,PLUG-IN ELECTRONIC COM. Key specifications include body_length: 0.110 INCHES NOMINAL IN, special_features: ALL RATINGS SHOWN WHILE MTD ON A METAL PLATE, body_outside_diameter: 0.400 INCHES NOMINAL IN, zero_power_resistance: 100.000 OHMS, maximum_current_rating: 1.00 AMPERES, zero_power_resistance_at_specified_temp: 41.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0337, 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→ 21F1
NSN: 3110-00-100-0337
NIINs: 001000337, 006863135
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
body_length0.110 INCHES NOMINAL IN
special_featuresALL RATINGS SHOWN WHILE MTD ON A METAL PLATE
body_outside_diameter0.400 INCHES NOMINAL IN
zero_power_resistance100.000 OHMS
maximum_current_rating1.00 AMPERES
zero_power_resistance_at_specified_temp41.0 OHMS SECOND RESISTANCE-TEMPERATURE POINT
temp_points_for_resistance_readings_at_zero_power0.0 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT DEGC
resistance_tolerance_at_a_specified_temp_in_percent-5.0 TO 5.0 ALL RESISTANCE-TEMPERATURE POINTS
NSN3110-00-100-0337
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 21F1 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 10
742Reference document
Same NSN cross-reference
Reference document — Secondary reference
BRTG2Reference document
Same NSN cross-reference
Reference document — Secondary reference
64AX38Reference document
Same NSN cross-reference
Reference document — Secondary reference
BT742Reference document
Same NSN cross-reference
Reference document — Secondary reference
124Reference document
Same NSN cross-reference
Reference document — Secondary reference
149042Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21F1?
21F1 is a STRAP NUT,PLUG-IN ELECTRONIC COM. It is classified as a MRO (MRO_GENERAL).
What parts can replace 21F1?
There are 10 known substitutes for 21F1: 742, BRTG2, 64AX38 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21F1?
21F1 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0337. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.