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4177001 — FILTER,BAND PASS

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

4177001: FILTER,BAND PASS.

The FILTER,BAND PASS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 431 OVERALL, corner_shape: SQUARE ALL CORNERS, body_material: METAL, overall_width: 1.000 INCHES NOMINAL IN, inclosure_type: ENCASED, overall_height: 0.870 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-191-3703, 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→ 4177001
NSN: 3120-00-191-3703
NIINs: 001913703, 013179348
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialSTEEL COMP 431 OVERALL
corner_shapeSQUARE ALL CORNERS
body_materialMETAL
overall_width1.000 INCHES NOMINAL IN
inclosure_typeENCASED
overall_height0.870 INCHES NOMINAL IN
overall_length2.585 INCHES MINIMUM AND 2.615 INCHES MAXIMUM IN
surface_finish32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
hardness_rating40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
style_designatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
body_inside_diameter2.0000 INCHES MINIMUM AND 2.0010 INCHES MAXIMUM IN
body_outside_diameter2.3130 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
NSN3120-00-191-3703
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4177001 · 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
•
SURFACE FINISH: 125.0 MICROINCHES RIGHT END SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 2.3130 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES RIGHT END SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH125.0 MICROINCHES LEFT END SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER2.3130 INCHES MINIMUM AND 2.3135 INCHES MAXIMUM IN
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.2188 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 4177001?
4177001 is a FILTER,BAND PASS. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 4177001?
4177001 is cataloged in the U.S. Government catalog under NSN 3120-00-191-3703. 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.