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NK4-11 — STRAINER,SEDIMENT

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

NK4-11: STRAINER,SEDIMENT.

The STRAINER,SEDIMENT is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, head_style: HEXAGON, grip_length: 0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-142-4772, 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
NK4-11
NSN: 5306-00-142-4772
NIINs: 001424772, 013139476
FSC: 5306 — Bolts
CAGE: 26233 — NYLOK LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
head_styleHEXAGON
grip_length0.672 INCHES MINIMUM AND 0.704 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
thread_class3A A
thread_length0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
fastener_length1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
NSN5306-00-142-4772
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: NK4-11 · 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: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.109 INCHES NOMINAL FIRST HOLE IN
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FASTENER LENGTH1.140 INCHES MINIMUM AND 1.187 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.436 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.109 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
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 NK4-11?
NK4-11 is a STRAINER,SEDIMENT.
What is the NSN for NK4-11?
NK4-11 is cataloged in the U.S. Government catalog under NSN 5306-00-142-4772. 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.