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MIL-B-87114 — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MIL-B-87114: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.498 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING, fastener_length: 1.546 INCHES MINIMUM AND 1.592 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-356-9537, 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
MIL-B-87114
NSN: 5305-01-356-9537
NIINs: 013569537, 013569539, 013571209, 013617043, 013664526, 013693329, 013693506, 013697510, 013715140, 013720364, 013747653, 013749825, 013800750, 013819831, 013827421, 013827504, 013828967, 013834260, 013889121, 013912173, 013925072, 013930785, 015488644
FSC: 5305 — Screws
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
head_styleHEXAGON
head_height0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_class3A A
thread_length1.498 INCHES MINIMUM AND 1.530 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length1.546 INCHES MINIMUM AND 1.592 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
internal_drive_styleCROSS RECESS TYPE II
end_item_identificationAIRCRAFT OSPREY V-22A A
nominal_thread_diameter0.250 INCHES IN
screw_surface_treatmentPASSIVATE
NSN5305-01-356-9537
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MIL-B-87114 · 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: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
FASTENER LENGTH: 1.422 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 1.374 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
FASTENER LENGTH1.422 INCHES MINIMUM AND 1.469 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONAMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5737 ASSN STD SINGLE MATERIAL RESPONSE
THREAD LENGTH1.374 INCHES MINIMUM AND 1.406 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA80205-NAS1802 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES 1
5305PL2130143Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MIL-B-87114?
MIL-B-87114 is a SCREW,CLOSE TOLERANCE.
What parts can replace MIL-B-87114?
There is 1 known substitute for MIL-B-87114: 5305PL2130143. Substitute compatibility should be verified for your specific system.
What is the NSN for MIL-B-87114?
MIL-B-87114 is cataloged in the U.S. Government catalog under NSN 5305-01-356-9537. 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.