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4001255 — NUT,PLAIN,CASTELLATED,HEXAGON

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4001255: NUT,PLAIN,CASTELLATED,HEXAGON.

The NUT,PLAIN,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1120 OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.609 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-014-9479, 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
4001255
NSN: 5340-00-014-9479
NIINs: 000149479, 002687064
FSC: 5340 — Hardware, Commercial
CAGE: 05236 — JONATHAN ENGINEERED SOLUTIONS CORP. DBA JONATHAN ENGINEERED SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL COMP 1120 OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.609 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch20
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-014-9479
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4001255 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
LENGTH: 10.330 INCHES NOMINAL OVERALL IN
•
CONTROL TYPE: AIR
•
UNIT TYPE: DOUBLE ACTION
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MOUNTING TYPE FOR WHICH DESIGNED: SURFACE
•
MATERIAL: STEEL CORROSION RESISTING CASE
TECHNICAL CHARACTERISTICS
LENGTH10.330 INCHES NOMINAL OVERALL IN
CONTROL TYPEAIR
UNIT TYPEDOUBLE ACTION
SPECIAL FEATURESPRESS TO RELEASE MECHANISM IN ROD OR USE RELEASE RING AT END OF ROD;HOLDING ANGLE IN DEGS:90;TUBE DIA:0.875 IN. DIA IN
SURFACE TREATMENTPASSIVATE OVERALL
MOUNTING TYPE FOR WHICH DESIGNEDSURFACE
MATERIALSTEEL CORROSION RESISTING CASE
MATERIALSTEEL CORROSION RESISTING ARM
SUBSTITUTES & CROSS-REFERENCES 7
SM-C-800985-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
216Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
128C989H01Reference document
Same NSN cross-reference
Reference document — Secondary reference
1890202Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11151967Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
400216Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4001255?
4001255 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 4001255?
There are 7 known substitutes for 4001255: SM-C-800985-1, 216, 128C989H01 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4001255?
4001255 is cataloged in the U.S. Government catalog under NSN 5340-00-014-9479. This indicates validated use in U.S. government and defense supply chains.
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