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575388 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

575388: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.250 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, insert_size: 5/16-24 UNF 3A A, thread_class: 2B, flange_thickness: 0.065 INCHES NOMINAL IN, special_features: GROOVE UNDER FLANGE 0.030 IN WIDE,0.252 IN. DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 5325-01-078-9225, 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
575388
NSN: 5325-01-078-9225
FSC: 5325 — Fastening Devices
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
length0.250 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
insert_size5/16-24 UNF 3A A
thread_class2B
flange_thickness0.065 INCHES NOMINAL IN
special_featuresGROOVE UNDER FLANGE 0.030 IN WIDE,0.252 IN. DIA IN
style_designatorFLANGE
features_providedINDIVIDUALLY KEYED
surface_treatmentPASSIVATE OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
NSN5325-01-078-9225
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 575388 · 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: 0.375 INCHES NOMINAL IN
•
LENGTH: 0.250 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE THICKNESS: 0.065 INCHES NOMINAL IN
•
INSERT SIZE: 5/16-24 UNF 3A A
•
STYLE DESIGNATOR: FLANGE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH0.250 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE THICKNESS0.065 INCHES NOMINAL IN
INSERT SIZE5/16-24 UNF 3A A
STYLE DESIGNATORFLANGE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDINDIVIDUALLY KEYED
NOMINAL THREAD SIZE0.164 INCHES IN
SPECIAL FEATURESGROOVE UNDER FLANGE 0.030 IN WIDE,0.252 IN. DIA IN
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 575388?
575388 is a INSERT,SCREW THREAD.
What is the NSN for 575388?
575388 is cataloged in the U.S. Government catalog under NSN 5325-01-078-9225. This indicates validated use in U.S. government and defense supply chains.
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