PartsTable
Technical Data Sheet
BH00377-4 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.411 INCHES MAXIMUM IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-382-7592, 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
BH00377-4
NSN: 5310-00-382-7592
FSC: 5310
CAGE: 27238 — BRISTOL INDUSTRIES, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleDOUBLE HEXAGON
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.411 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresPER VENDOR ENGINEERS, ST2115-10, ST2116-10 AND ST2117-10 ARE EQUIVALENT AND INTERCHANGEABLE; DRWG 4023466 IS SOURCE CONTROL REFERENCE
thread_directionRIGHT-HAND
washer_thickness0.065 INCHES MINIMUM IN
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
precious_materialSILVER
surface_treatmentSILVER OVERALL
NSN5310-00-382-7592
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: BH00377-4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS: 3B
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE: 0.250 INCHES IN
COUNTERSINK ANGLE: 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION410,ELASTIC STOP NUT CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5709 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
END ITEM IDENTIFICATIONW/S: ENGINE, AIRCRAFT, F100-PW-200 (F-16A/B/C/D); ENGINE, AIRCRAFT, F100-PW-220 (F-15C/D/E); ENGINE, AIRCRAFT, F100-PW-229 (F15E, F16C/D); AIRCARFT, F-16; AIRCRAFT, EAGLE F-15 A
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE0.250 INCHES IN
COUNTERSINK ANGLE85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
SURFACE TREATMENTSILVER OVERALL
WASHER OUTSIDE DIAMETER0.448 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4023466Interchangeable
interchangeable cross-reference
interchangeable
1A5219Interchangeable
interchangeable cross-reference
interchangeable
1085487Interchangeable
interchangeable cross-reference
interchangeable
LH10863-4Interchangeable
Same NIIN cross-reference
interchangeable
73182-428Interchangeable
Same NIIN cross-reference
interchangeable
ST2116-10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
Ready to buy BH00377-4?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is BH00377-4?
BH00377-4 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What parts can replace BH00377-4?
There are 10 known substitutes for BH00377-4: 4023466, 1A5219, 1085487 and 7 more. Substitute compatibility should be verified for your specific system.
Is BH00377-4 still available?
BH00377-4 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — BH00377-4