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121-1-626 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

121-1-626: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING FEATURE, head_style: FLAT CHAMFER, head_height: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, thread_length: 0.900 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-348-7088, 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
121-1-626
NSN: 5305-01-348-7088
FSC: 5305 — Screws
CAGE: 1A244 — ACCURATE FASTENERS, INC. DBA AFI (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING FEATURE
head_styleFLAT CHAMFER
head_height0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length0.900 INCHES MINIMUM IN
fastener_length1.000 INCHES NOMINAL IN
locking_featurePELLET THREADS
thread_directionRIGHT-HAND
width_across_flats0.188 INCHES NOMINAL IN
internal_drive_styleHEXAGON
nominal_thread_diameter0.250 INCHES IN
NSN5305-01-348-7088
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 121-1-626 · 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: 0.188 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.900 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
HEAD HEIGHT0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH0.900 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPELLET THREADS
INTERNAL DRIVE STYLEHEXAGON
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
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 121-1-626?
121-1-626 is a SCREW,CAP,SOCKET HEAD.
What is the NSN for 121-1-626?
121-1-626 is cataloged in the U.S. Government catalog under NSN 5305-01-348-7088. This indicates validated use in U.S. government and defense supply chains.
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