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A25101 — INJECTOR ASSEMBLY,FUEL

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A25101: INJECTOR ASSEMBLY,FUEL.

The INJECTOR ASSEMBLY,FUEL is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: BUS BAR ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-540-6518, 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
A25101
NSN: 3120-00-540-6518
NIINs: 005406518, 017062876
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 12511 — SIMMONDS PRECISION PRODUCTS INC (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyBUS BAR ASSEMBLY
NSN3120-00-540-6518
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A25101 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK THREAD LENGTH: 0.9650 INCHES MINIMUM AND 1.0280 INCHES MAXIMUM IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
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BORE CENTER TO SHANK END DISTANCE: 1.5600 INCHES NOMINAL IN
•
INNER MEMBER WIDTH: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
TECHNICAL CHARACTERISTICS
SHANK THREAD LENGTH0.9650 INCHES MINIMUM AND 1.0280 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE INNER MEMBER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE RACE INSERT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE ROD END BODY
BORE CENTER TO SHANK END DISTANCE1.5600 INCHES NOMINAL IN
INNER MEMBER WIDTH0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM INNER MEMBER
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM ROD END BODY
OUTER MEMBER WIDTH0.3370 INCHES NOMINAL IN
STYLE DESIGNATORBALL TYPE
SUBSTITUTES & CROSS-REFERENCES 1
ARHT4E102Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A25101?
A25101 is a INJECTOR ASSEMBLY,FUEL.
What parts can replace A25101?
There is 1 known substitute for A25101: ARHT4E102. Substitute compatibility should be verified for your specific system.
What is the NSN for A25101?
A25101 is cataloged in the U.S. Government catalog under NSN 3120-00-540-6518. 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.