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Catalog › Hardware and Abrasives › FSC 5305 › 5305-00-709-8531

Cap Hexagon Head Screw P/N B1821BH044F250N

In stock — 3 on our U.S. shelf

NSN 5305-00-709-8531 5305007098531 NIIN 007098531

SECO Parts has 3 in stock of NSN 5305-00-709-8531 — Cap Hexagon Head Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $70–$120 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.

One part, one step — answered within one business day. Several parts? and send them together.

FLIS item name
SCREW,CAP,HEXAGON HEAD
SECO description
SCREW
Federal supply class
FSC 5305 — Screws

Availability & condition

ConditionCodeQty on shelf
New SurplusNS 3
Total3

Quantities are live from SECO's inventory system, not estimated.

Also known as: 5305-00-709-8531 007098531 B1821BH044F250N 175-325 MS90726-93 MS90727-93

Get a quote

Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.

More to tell us? Need-by date, ship-to, your own RFQ document

Specifications

Surface treatment document and classification
Overall Assn STD Single Treatment Response Ast- B633 TY 2 SC 3
Thread series designator
UNF
Thread length
1.125–1.313 in
Head height
0.272–0.291 in
Material document and classification
Overall Assn STD Single Material Response SAE J429 GR8
Thread quantity per inch
20
Minimum tensile strength
Pounds Per Square Inch 150000
Thread direction
Right-Hand
Material
Overall Steel
Nondefinitive spec/std data
Type 2 and Style 10 and Grade 8
Surface treatment
Overall Zinc and Chromate
Thread class
2A
Nominal thread diameter
Inches 0.438
Hardness rating
Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0
Fastener length
2.406–2.500 in
Width between flats
0.612–0.625 in

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

B1821BH044F250N 175-325 MS90726-93 MS90727-93

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supplySMS
DLA Land and Maritime, Columbus, Ohio
Acquisition advice codeZ
Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 3 on the shelf
Unit of issueEA
each
Demilitarization codeA
Demilitarization not required — non-munitions-list item
Controlled inventory codeU
Unclassified
Hazardous material indicatorN
No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 5305-00-709-8531?
NSN 5305-00-709-8531 (5305007098531) — Cap Hexagon Head Screw: SECO Parts has 3 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for cap hexagon head screw in federal supply class 5305 (Screws).

Is NSN 5305-00-709-8531 available?
SECO Parts has 3 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-00-709-8531 cost?
SECO typically prices parts like NSN 5305-00-709-8531 at $70–$120 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What part numbers cross-reference to NSN 5305-00-709-8531?
Part numbers that cross-reference this NSN include B1821BH044F250N, 175-325, MS90726-93, MS90727-93. SECO can quote against any of them.

Same item, other stock numbers

Other NSNs the federal catalog names SCREW,CAP,HEXAGON HEAD. Same name is not the same part: check the part numbers.

More in FSC 5305

All of FSC 5305 — Screws →

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