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4008139 — ELBOW,FLANGE TO BOSS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4008139: ELBOW,FLANGE TO BOSS.

The ELBOW,FLANGE TO BOSS is a the manufacturer industrial component. Key specifications include connection_type: THREADED EXTERNAL PIPE FIRST END, operating_pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.625 INCHES FIRST END IN, end_item_identification: 2320-01-531-6425; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2; MRAP - COUGAR, thread_series_designator: NPTF FIRST END, part_name_assigned_by_controlling_agency: MALE ELBOW. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-369-2702, 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
4008139
NSN: 5310-00-369-2702
NIINs: 003692702, 015600358
FSC: 5310 — Nuts and Washers
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
connection_typeTHREADED EXTERNAL PIPE FIRST END
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.625 INCHES FIRST END IN
end_item_identification2320-01-531-6425; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2; MRAP - COUGAR
thread_series_designatorNPTF FIRST END
part_name_assigned_by_controlling_agencyMALE ELBOW
NSN5310-00-369-2702
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4008139 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
•
NUT LENGTH: 0.231 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
FLANGE THICKNESS: 0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
•
THREAD SERIES: UNS
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
NUT LENGTH0.231 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
FLANGE THICKNESS0.060 INCHES MINIMUM AND 0.065 INCHES MAXIMUM IN
THREAD SERIESUNS
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
NUT DIAMETER0.310 INCHES MINIMUM AND 0.314 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEHEXAGONAL FLANGE
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 4008139?
4008139 is a ELBOW,FLANGE TO BOSS.
What is the NSN for 4008139?
4008139 is cataloged in the U.S. Government catalog under NSN 5310-00-369-2702. This indicates validated use in U.S. government and defense supply chains.
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