NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-00-402-5747
Lag Screw P/N ANSI B18.2.1
In stock — 100 on our U.S. shelfNSN 5305-00-402-5747 5305004025747 NIIN 004025747
SECO Parts has 100 in stock of NSN 5305-00-402-5747 — Lag Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,LAG
- SECO description
- BOLT, LAG
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 100 |
| Total | 100 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-00-402-5747 004025747 ANSI B18.2.1 FF-B-561 TY1ST1GRB FF-B-561 MS16992-503
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
- Material
- Overall Steel
- Width between flats
- 0.425–0.438 in
- Nonmachine nominal thread diameter
- Inches 0.250
- Surface treatment
- Overall Zinc
- Surface treatment document and classification
- Overall Assn STD Single Treatment Response Ast- A153-60
- Shoulder shape
- First Shoulder Round
- Minimum tensile strength
- Pounds Per Square Inch 55000
- Hardness rating
- Overall Rockwell B Minimum 60.0
- Fastener length
- 1.500 in (nominal)
- Shoulder length
- First Shoulder Inches Minimum 0.094
- Shoulder diameter
- First Shoulder Inches Minimum 0.237 and Inches Maximum 0.260
- Head height
- 0.150–0.188 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
ANSI B18.2.1 FF-B-561 TY1ST1GRB FF-B-561 MS16992-503
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 100 on the shelf |
| Unit of issue | HD hundred |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N 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 5305-00-402-5747?
NSN 5305-00-402-5747 (5305004025747) — Lag Screw: SECO Parts has 100 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for lag screw in federal supply class 5305 (Screws).
Is NSN 5305-00-402-5747 available?
SECO Parts has 100 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-00-402-5747 cost?
SECO quotes NSN 5305-00-402-5747 on request, usually the same business day.
What part numbers cross-reference to NSN 5305-00-402-5747?
Part numbers that cross-reference this NSN include ANSI B18.2.1, FF-B-561 TY1ST1GRB, FF-B-561, MS16992-503. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,LAG. Same name is not the same part: check the part numbers.