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11907-4L26-1 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

11907-4L26-1: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN, head_height: 0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-191-3125, 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
11907-4L26-1
NSN: 5305-01-191-3125
FSC: 5305 — Screws
CAGE: 59563 — REID PRODUCTS INC. DBA REID PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleFILLISTER COUNTERSUNK
grip_length1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
head_height0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.3898 INCHES MINIMUM AND 0.3948 INCHES MAXIMUM IN
thread_length0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
fastener_length2.079 INCHES MINIMUM AND 2.109 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatmentPASSIVATE OVERALL
NSN5305-01-191-3125
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 11907-4L26-1 · 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
•
HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.079 INCHES MINIMUM AND 2.109 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: FILLISTER COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN
FASTENER LENGTH2.079 INCHES MINIMUM AND 2.109 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFILLISTER COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.615 INCHES MINIMUM AND 1.635 INCHES MAXIMUM IN
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
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 2
HT4024L4-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST3M455-4L26-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
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 11907-4L26-1?
11907-4L26-1 is a SCREW,CLOSE TOLERANCE.
What parts can replace 11907-4L26-1?
There are 2 known substitutes for 11907-4L26-1: HT4024L4-26, ST3M455-4L26-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 11907-4L26-1?
11907-4L26-1 is cataloged in the U.S. Government catalog under NSN 5305-01-191-3125. 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.