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1532391 — SPACER,FLEXIBLE,PIPELINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1532391: SPACER,FLEXIBLE,PIPELINE.

The SPACER,FLEXIBLE,PIPELINE is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: ADAPTER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-317-5315, 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
1532391
NSN: 5315-01-317-5315
NIINs: 013175315, 017212729
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyADAPTER
NSN5315-01-317-5315
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1532391 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE FINISH: 32.0 MICROINCHES OUTSIDE DIAMETER
•
UNDERCUT WIDTH: 0.031 INCHES NOMINAL IN
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UNDERCUT DIAMETER: 0.171 INCHES NOMINAL IN
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY1,TY2,OR TY3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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FIRST END COUNTERBORE DIAMETER: 0.094 INCHES NOMINAL IN
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UNDER HEAD LENGTH: 0.549 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
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FIRST END STYLE: COUNTERBORED W/O THRU HOLE
•
HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OUTSIDE DIAMETER
UNDERCUT WIDTH0.031 INCHES NOMINAL IN
UNDERCUT DIAMETER0.171 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY1,TY2,OR TY3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END COUNTERBORE DIAMETER0.094 INCHES NOMINAL IN
UNDER HEAD LENGTH0.549 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
FIRST END STYLECOUNTERBORED W/O THRU HOLE
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.250 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5315PL0931384Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 1532391?
1532391 is a SPACER,FLEXIBLE,PIPELINE.
What parts can replace 1532391?
There is 1 known substitute for 1532391: 5315PL0931384. Substitute compatibility should be verified for your specific system.
What is the NSN for 1532391?
1532391 is cataloged in the U.S. Government catalog under NSN 5315-01-317-5315. 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.