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543-3661-002 — INSERT,SCREW THREAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

543-3661-002: INSERT,SCREW THREAD.

The INSERT,SCREW THREAD is a the manufacturer industrial component. Key specifications include length: 0.231 INCHES NOMINAL IN, insert_size: 0.250 IN. NOM IN, flange_thickness: 0.075 INCHES NOMINAL IN, special_features: FLANGE INCLUDES SLOT DRIVE,THD SIDE OF FLANGE IS BEVELED TO FIT 100 DEG COUNTERSINK, style_designator: FLANGE, features_provided: INDIVIDUALLY KEYED.

This part is cataloged in the U.S. Government catalog under NSN 5325-00-772-1305, 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
543-3661-002
NSN: 5325-00-772-1305
FSC: 5325 — Fastening Devices
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
length0.231 INCHES NOMINAL IN
insert_size0.250 IN. NOM IN
flange_thickness0.075 INCHES NOMINAL IN
special_featuresFLANGE INCLUDES SLOT DRIVE,THD SIDE OF FLANGE IS BEVELED TO FIT 100 DEG COUNTERSINK
style_designatorFLANGE
features_providedINDIVIDUALLY KEYED
width_across_flats0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5325-00-772-1305
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 543-3661-002 · 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: 0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
•
LENGTH: 0.231 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.075 INCHES NOMINAL IN
•
INSERT SIZE: 0.250 IN. NOM IN
•
STYLE DESIGNATOR: FLANGE
•
FEATURES PROVIDED: INDIVIDUALLY KEYED
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.414 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN
LENGTH0.231 INCHES NOMINAL IN
FLANGE THICKNESS0.075 INCHES NOMINAL IN
INSERT SIZE0.250 IN. NOM IN
STYLE DESIGNATORFLANGE
FEATURES PROVIDEDINDIVIDUALLY KEYED
NOMINAL THREAD SIZE0.164 INCHES IN
SPECIAL FEATURESFLANGE INCLUDES SLOT DRIVE,THD SIDE OF FLANGE IS BEVELED TO FIT 100 DEG COUNTERSINK
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 543-3661-002?
543-3661-002 is a INSERT,SCREW THREAD.
What is the NSN for 543-3661-002?
543-3661-002 is cataloged in the U.S. Government catalog under NSN 5325-00-772-1305. This indicates validated use in U.S. government and defense supply chains.
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