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A1528 — FILTER,RADIO FREQUENCY INTERFERE

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

A1528: FILTER,RADIO FREQUENCY INTERFERE.

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY OVERALL, body_length: 2.500 INCHES NOMINAL IN, corner_shape: SQUARE ALL CORNERS, body_material: METAL, inclosure_type: ENCASED, overall_length: 3.905 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-934-9825, 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→ A1528
NSN: 3120-00-934-9825
NIINs: 009349825, 011935275, 015289552, 016642450, 017157136
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
body_length2.500 INCHES NOMINAL IN
corner_shapeSQUARE ALL CORNERS
body_materialMETAL
inclosure_typeENCASED
overall_length3.905 INCHES NOMINAL IN
hardness_rating30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
user_designatorMAN AND WOMAN
special_featuresFULL COLOR, WITH CRIMSON 67112, AND YELLOW 67108
style_designatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
attachment_methodSEW-ON
features_providedEMBROIDERED
NSN3120-00-934-9825
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A1528 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.5030 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM IN
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
BODY INSIDE DIAMETER: 1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.5030 INCHES MINIMUM AND 1.5040 INCHES MAXIMUM IN
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 70.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A OR B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.2510 INCHES MINIMUM AND 1.2520 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 7
1242266890 P/N 16Reference document
Same NSN cross-reference
Reference document — Secondary reference
105538Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MILB5687Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS17795-155Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11171-45-198Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS17795Reference document
Same NSN cross-reference
Reference document — Identification 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 A1528?
A1528 is a FILTER,RADIO FREQUENCY INTERFERE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1528?
There are 7 known substitutes for A1528: 1242266890 P/N 16, 105538, MILB5687 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1528?
A1528 is cataloged in the U.S. Government catalog under NSN 3120-00-934-9825. 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.