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253009 PIECE 42 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

253009 PIECE 42: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 2.250 INCHES NOMINAL IN, insert_size: 1.750-12 UNC 3A A, flange_thickness: 0.250 INCHES NOMINAL IN, style_designator: FLANGE, width_across_flats: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-158-2201, 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
253009 PIECE 42
NSN: 5325-01-158-2201
FSC: 5325 — Fastening Devices
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
length2.250 INCHES NOMINAL IN
insert_size1.750-12 UNC 3A A
flange_thickness0.250 INCHES NOMINAL IN
style_designatorFLANGE
width_across_flats2.000 INCHES NOMINAL IN
NSN5325-01-158-2201
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 253009 PIECE 42 · 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
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
•
LENGTH: 2.250 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
INSERT SIZE: 1.750-12 UNC 3A A
•
STYLE DESIGNATOR: FLANGE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
LENGTH2.250 INCHES NOMINAL IN
FLANGE THICKNESS0.250 INCHES NOMINAL IN
INSERT SIZE1.750-12 UNC 3A A
STYLE DESIGNATORFLANGE
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

No substitute or cross-reference records for this part.

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 253009 PIECE 42?
253009 PIECE 42 is a INSERT,SCREW THREAD.
What is the NSN for 253009 PIECE 42?
253009 PIECE 42 is cataloged in the U.S. Government catalog under NSN 5325-01-158-2201. 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.