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28319 — FUSEHOLDER,SPARE

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

28319: FUSEHOLDER,SPARE.

The FUSEHOLDER,SPARE is a Esselte industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3455 INCHES MINIMUM AND 0.3545 INCHES MAXIMUM IN, body_outside_diameter: 0.5075 INCHES MINIMUM AND 0.5085 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-554-1370, 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→ 28319
NSN: 3120-00-554-1370
NIINs: 005541370, 006209603, 012719337
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3455 INCHES MINIMUM AND 0.3545 INCHES MAXIMUM IN
body_outside_diameter0.5075 INCHES MINIMUM AND 0.5085 INCHES MAXIMUM IN
NSN3120-00-554-1370
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 28319 · Esselte ⚠ 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: 0.5075 INCHES MINIMUM AND 0.5085 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.3455 INCHES MINIMUM AND 0.3545 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.5075 INCHES MINIMUM AND 0.5085 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.9900 INCHES MINIMUM AND 1.0100 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3455 INCHES MINIMUM AND 0.3545 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
130963Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SMA28319Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 28319?
28319 is a FUSEHOLDER,SPARE manufactured by Esselte. It is classified as a MRO (MRO_GENERAL).
What parts can replace 28319?
There are 2 known substitutes for 28319: 130963, SMA28319. Substitute compatibility should be verified for your specific system.
What is the NSN for 28319?
28319 is cataloged in the U.S. Government catalog under NSN 3120-00-554-1370. 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.