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135681-0001 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

135681-0001: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.440 INCHES NOMINAL IN, insert_size: 0.250-20 UNC 2A A, thread_class: 2B, flange_thickness: 0.190 INCHES NOMINAL IN, special_features: HAS GROOVE BENEATH HEAD 0.190 IN. DIA,0.060 IN.

WIDE,CTR HOLE COUNTERSUNK AT TOP,0.190 IN. DIA,90.0 DEG IN, style_designator: FLANGE. This part is cataloged in the U.S.

Government catalog under NSN 5325-01-058-4501, 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
135681-0001
NSN: 5325-01-058-4501
FSC: 5325 — Fastening Devices
CAGE: 19397 — BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
length0.440 INCHES NOMINAL IN
insert_size0.250-20 UNC 2A A
thread_class2B
flange_thickness0.190 INCHES NOMINAL IN
special_featuresHAS GROOVE BENEATH HEAD 0.190 IN. DIA,0.060 IN. WIDE,CTR HOLE COUNTERSUNK AT TOP,0.190 IN. DIA,90.0 DEG IN
style_designatorFLANGE
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5325-01-058-4501
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 135681-0001 · 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: 0.440 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.190 INCHES NOMINAL IN
•
INSERT SIZE: 0.250-20 UNC 2A A
•
STYLE DESIGNATOR: FLANGE
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
LENGTH0.440 INCHES NOMINAL IN
FLANGE THICKNESS0.190 INCHES NOMINAL IN
INSERT SIZE0.250-20 UNC 2A A
STYLE DESIGNATORFLANGE
NOMINAL THREAD SIZE0.164 INCHES IN
SPECIAL FEATURESHAS GROOVE BENEATH HEAD 0.190 IN. DIA,0.060 IN. WIDE,CTR HOLE COUNTERSUNK AT TOP,0.190 IN. DIA,90.0 DEG IN
THREAD CLASS2B
THREAD QUANTITY PER INCH32
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
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 135681-0001?
135681-0001 is a INSERT,SCREW THREAD.
What is the NSN for 135681-0001?
135681-0001 is cataloged in the U.S. Government catalog under NSN 5325-01-058-4501. This indicates validated use in U.S. government and defense supply chains.
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