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B-271 — CIRCUIT CARD ASSEMBLY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

B-271: CIRCUIT CARD ASSEMBLY.

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY, hole_diameter: 0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN, overall_height: 1.000 INCHES NOMINAL IN, frequency_range: +50.0 TO 1000.0 HERTZ, hardness_rating: 90.0 ROCKWELL B MINIMUM, outside_diameter: 0.779 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-184-8971, 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
B-271
NSN: 5310-00-184-8971
NIINs: 001848971, 001872417, 002617435, 005290492, 005760546, 005775354, 005791603, 005791604, 006806823, 007208395, 007270955, 009338120, 012535896, 014355738, 014959592
FSC: 5310 — Nuts and Washers
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
materialPLASTIC BODY
hole_diameter0.446 INCHES MINIMUM AND 0.459 INCHES MAXIMUM IN
overall_height1.000 INCHES NOMINAL IN
frequency_range+50.0 TO 1000.0 HERTZ
hardness_rating90.0 ROCKWELL B MINIMUM
outside_diameter0.779 INCHES MAXIMUM IN
overall_diameter1.125 INCHES NOMINAL IN
performance_typeSTANDARD CAPACITY
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentCADMIUM OVERALL
material_thickness0.109 INCHES MINIMUM AND 0.119 INCHES MAXIMUM IN
test_data_document80204-ANS27.1 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.).
NSN5310-00-184-8971
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B-271 · 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: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 90.0 ROCKWELL B MINIMUM
•
STYLE DESIGNATOR: SPLIT HELICAL-RIGHT HAND
•
OUTSIDE DIAMETER: 0.683 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING90.0 ROCKWELL B MINIMUM
STYLE DESIGNATORSPLIT HELICAL-RIGHT HAND
OUTSIDE DIAMETER0.683 INCHES MAXIMUM IN
MATERIAL THICKNESS0.094 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
END ITEM IDENTIFICATIONMRAP RG-31; MEDIUM MINE PROTECTED VEHICLE - MMPV; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.382 INCHES MINIMUM AND 0.393 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 8
2HS104Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN935B616LReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
004-003005-079Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5310PL1370331Reference document
Same NSN cross-reference
Reference document — Informative reference only
H41-0002-008Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5MH46-7321Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-271?
B-271 is a CIRCUIT CARD ASSEMBLY.
What parts can replace B-271?
There are 8 known substitutes for B-271: 2HS104, AN935B616L, 004-003005-079 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-271?
B-271 is cataloged in the U.S. Government catalog under NSN 5310-00-184-8971. This indicates validated use in U.S. government and defense supply chains.
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