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3591-4CNW0250 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3591-4CNW0250: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.250 INCHES NOMINAL IN, insert_size: 0.306 IN. MIN,0.326 IN.

MAX FREE OD IN, thread_class: 3B, special_features: COATED W/DRY FILM LUBRICANT,MIL-L-8937, style_designator: COIL, nominal_thread_size: 0.250 INCHES IN. This part is cataloged in the U.S. Government catalog under NSN 5325-01-014-0098, 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
3591-4CNW0250
NSN: 5325-01-014-0098
FSC: 5325 — Fastening Devices
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL IN
insert_size0.306 IN. MIN,0.326 IN. MAX FREE OD IN
thread_class3B
special_featuresCOATED W/DRY FILM LUBRICANT,MIL-L-8937
style_designatorCOIL
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch28
thread_series_designatorUNF
NSN5325-01-014-0098
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3591-4CNW0250 · 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
KEY FEATURES
•
LENGTH: 0.250 INCHES NOMINAL IN
•
INSERT SIZE: 0.306 IN. MIN,0.326 IN. MAX FREE OD IN
•
STYLE DESIGNATOR: COIL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
LENGTH0.250 INCHES NOMINAL IN
INSERT SIZE0.306 IN. MIN,0.326 IN. MAX FREE OD IN
STYLE DESIGNATORCOIL
NOMINAL THREAD SIZE0.250 INCHES IN
SPECIAL FEATURESCOATED W/DRY FILM LUBRICANT,MIL-L-8937
THREAD CLASS3B
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF
OTHER ITEMS IN FSC 5325 — Fastening Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5325-00-000-1884 5325-00-000-9988 5325-00-001-1567 5325-00-001-2043 5325-00-001-3842 5325-00-001-3858 5325-00-001-3871 5325-00-001-4317
SUBSTITUTES & CROSS-REFERENCES 4
5325PL1189868Reference document
Same NSN cross-reference
Reference document — Informative reference only
NASM21209Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
MS21209F4-10LReference document
Same NSN cross-reference
Reference document — Secondary reference
5325PL1624064Reference 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 3591-4CNW0250?
3591-4CNW0250 is a INSERT,SCREW THREAD.
What parts can replace 3591-4CNW0250?
There are 4 known substitutes for 3591-4CNW0250: 5325PL1189868, NASM21209, MS21209F4-10L and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3591-4CNW0250?
3591-4CNW0250 is cataloged in the U.S. Government catalog under NSN 5325-01-014-0098. This indicates validated use in U.S. government and defense supply chains.
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