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4056-146 — CASE,DIFFUSER,AIRCRAFT GAS TURBI

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

4056-146: CASE,DIFFUSER,AIRCRAFT GAS TURBI.

CASE,DIFFUSER,AIRCRAFT GAS TURBI. Key specifications include diameter: 28.245 INCHES MINIMUM AND 28.265 INCHES MAXIMUM IN, overall_length: 17.818 INCHES MINIMUM AND 17.822 INCHES MAXIMUM IN, end_item_identification: ACFT ENG F100, engine_section_location: DIFFUSER. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-115-1475, 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
4056-146
NSN: 5325-00-115-1475
NIINs: 001151475, 010950150
FSC: 5325 — Fastening Devices
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
diameter28.245 INCHES MINIMUM AND 28.265 INCHES MAXIMUM IN
overall_length17.818 INCHES MINIMUM AND 17.822 INCHES MAXIMUM IN
end_item_identificationACFT ENG F100
engine_section_locationDIFFUSER
NSN5325-00-115-1475
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4056-146 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 2
701573Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
53651151475Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4056-146?
4056-146 is a CASE,DIFFUSER,AIRCRAFT GAS TURBI.
What parts can replace 4056-146?
There are 2 known substitutes for 4056-146: 701573, 53651151475. Substitute compatibility should be verified for your specific system.
What is the NSN for 4056-146?
4056-146 is cataloged in the U.S. Government catalog under NSN 5325-00-115-1475. 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.