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Technical Data Sheet
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8311-1 — PUMP UNIT,RECIPROCATING

✓ Government record, cited
Hama · BOLT SCREW
PRODUCT OVERVIEW

8311-1: PUMP UNIT,RECIPROCATING.

- Quad-shielded cable (2x foil + 2x braiding) for practically interference-free signal transmission - With filter - Especially suitable for digital receivers, plasma, LCD-TV etc. - High-quality, selected components (75 ohms) - Screening rate: > 100 dB - Plug/socket with metal body and new kink protection element - 24K gold-plated contacts - Highly flexible cable material This part is cataloged in the U.S. Government catalog under NSN 5305-00-214-0400, 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
8311-1
NSN: 5305-00-214-0400
NIINs: 002140400, 003539454, 009661330, 011822179, 012602067
FSC: 5305 — Screws
CAGE: 1PQF4 — CAE USA INC. (USA)
SPECIFICATIONS
head_styleBUTTON
head_height0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
current_typeAC
thread_class2A A
head_diameter0.241 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
pump_quantity1
thread_length0.375 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
fastener_length0.375 INCHES NOMINAL IN
prime_mover_typeELECTRIC MOTOR
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
thread_directionRIGHT-HAND
NSN5305-00-214-0400
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8311-1 · Hama ⚠ 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: 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CHROMIUM
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 19TH MATERIAL RESPONSE
•
THREAD LENGTH: 0.375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: BUTTON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCHROMIUM
FASTENER LENGTH0.375 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-631 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-637 FED SPEC 2ND MATERIAL RESPONSE OR QQ-S-634 FED SPEC 3RD MATERIAL RESPONSE OR QQ-S-634 FED SPEC 4TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 5TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 6TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 7TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 8TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 9TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 10TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 11TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 12TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 13TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 14TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 15TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 16TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 17TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 18TH MATERIAL RESPONSE OR QQ-S-634 FED SPEC 19TH MATERIAL RESPONSE
THREAD LENGTH0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEBUTTON
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1008 OR STEEL OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1022 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1042 OR STEEL COMP 1045 OR STEEL COMP 1046 OR STEEL COMP 1548 OR STEEL COMP 1049 OR STEEL COMP 1050
INTERNAL DRIVE STYLECROSS RECESS TYPE II
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8311-1?
8311-1 is a PUMP UNIT,RECIPROCATING manufactured by Hama.
What is the NSN for 8311-1?
8311-1 is cataloged in the U.S. Government catalog under NSN 5305-00-214-0400. This indicates validated use in U.S. government and defense supply chains.
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