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ST2254-25 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST2254-25: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 7.875 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, insert_size: 0.380 IN. MIN,0.400 IN.

MAX IN, style_designator: COIL, nominal_thread_size: 0.3125 INCHES IN, thread_quantity_per_inch: 24. This part is cataloged in the U.S. Government catalog under NSN 5325-01-096-9505, 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
ST2254-25
NSN: 5325-01-096-9505
FSC: 5325 — Fastening Devices
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
length7.875 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
insert_size0.380 IN. MIN,0.400 IN. MAX IN
style_designatorCOIL
nominal_thread_size0.3125 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
material_document_and_classificationAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5325-01-096-9505
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST2254-25 · 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: 7.875 INCHES NOMINAL IN
•
INSERT SIZE: 0.380 IN. MIN,0.400 IN. MAX IN
•
STYLE DESIGNATOR: COIL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.3125 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
LENGTH7.875 INCHES NOMINAL IN
INSERT SIZE0.380 IN. MIN,0.400 IN. MAX IN
STYLE DESIGNATORCOIL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 7245 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.3125 INCHES IN
THREAD QUANTITY PER INCH24
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
4491-5CN0427Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST2254-25?
ST2254-25 is a INSERT,SCREW THREAD.
What parts can replace ST2254-25?
There is 1 known substitute for ST2254-25: 4491-5CN0427. Substitute compatibility should be verified for your specific system.
What is the NSN for ST2254-25?
ST2254-25 is cataloged in the U.S. Government catalog under NSN 5325-01-096-9505. 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.